| API | Description | Category | Mashups |
|---|---|---|---|
| Google Maps | Mapping services | Mapping | 2337 |
| Microblogging service | Social | 677 | |
| YouTube | Video sharing and search | Video | 605 |
| Flickr | Photo sharing service | Photos | 599 |
| Amazon eCommerce | Online retailer | Shopping | 406 |
| Twilio | Telephony service | Telephony | 334 |
| Social networking service | Social | 330 | |
| eBay | eBay Search service | Search | 215 |
| Last.fm | Online radio service | Music | 209 |
| Google Search | Search services | Search | 178 |
| Microsoft Bing Maps | Mapping services | Mapping | 175 |
| Twilio SMS | SMS messaging service | Messaging | 163 |
| del.icio.us | Social bookmarking | Bookmarks | 158 |
| Yahoo Search | Search services | Search | 141 |
| Yahoo Maps | Mapping services | Mapping | 135 |
| Google Ajax Search | Web search components | Search | 132 |
| 411Sync | SMS, WAP, and email messaging | Messaging | 120 |
| Google App Engine | Developer platform | Tools | 111 |
| Google Homepage | Portal gadgets | Widgets | 100 |
| Yahoo Geocoding | Geocoding services | Mapping | 99 |
| GeoNames | Geographic name and postal code lookup | Reference | 81 |
| Google Chart | Chart creation service | Other | 80 |
| foursquare | Social networking and city exploration | Social | 78 |
| Amazon S3 | Online storage services | Storage | 77 |
| Box.net | Online file storage | Storage | 77 |
| Google AdSense | Advertising management | Advertising | 74 |
| Amazon EC2 | Elastic Compute Cloud virtual hosting | Internet | 70 |
| Technorati | Blog search services | Blog Search | 70 |
| Wikipedia | Online collaborative encyclopedia | Reference | 70 |
| Digg | Community driven news links and ratings | News | 69 |
| Google Base | Platform for structure and semi-structured data | Shopping | 66 |
| Google AJAX Libraries | Content distribution network for AJAX libraries | Internet | 59 |
| Yahoo Image Search | Image search services | Search | 59 |
| Shopping.com | Online retail shopping | Shopping | 56 |
| Yahoo Local Search | Local search service | Search | 55 |
| Yahoo BOSS | Customizable search service | Search | 54 |
| Freebase | Community driven open database | Database | 49 |
| Google Analytics | Web analytics service | Internet | 49 |
| Yelp | Local user reviews and city guides | Recommendations | 49 |
| Bing | Online search services | Search | 45 |
| Eventful | Local events discovery and demand | Events | 45 |
| Google Earth | Mapping and 3D geo visualization | Mapping | 45 |
| Google Ajax Feeds | Access RSS and Atom feeds with JavaScript | Feeds | 44 |
| Google Maps Flash | Flash-based mapping service | Mapping | 44 |
| Business social networking platform | Social | 44 | |
| Panoramio | photo upload site with organizer and geolocation | Photos | 44 |
| Salesforce.com | CRM services | Enterprise | 44 |
| Upcoming.org | Collaborative event calendar | Events | 40 |
| geocoder | Geocoding services for US | Mapping | 39 |
| Google AdWords | Search advertising | Advertising | 39 |
| Google Translate | Language translation service | Utility | 39 |
| Google Calendar | Calendar service | Calendar | 37 |
| Commission Junction | Online affiliate programs | Shopping | 36 |
| Google Custom Search | Google custom search management | Search | 36 |
| Yahoo Term Extraction | Contextual search service | Search | 36 |
| Google Maps Data | Service to store, update and view geodata | Mapping | 34 |
| Microsoft Bing | Internet search | Search | 34 |
| FriendFeed | Activity stream aggregator | Other | 33 |
| Google Picasa | Photo management and sharing service | Photos | 33 |
| PayPal | Online payments | Payment | 32 |
| FeedBurner | Blog promotion tracking service | Blogging | 31 |
| Blogger | Blogging services | Blogging | 30 |
| Facebook Graph | Facebook Social Graph API | Social | 30 |
| Bit.ly | URL shortening service | Internet | 29 |
| MusicBrainz | Music metadata community service | Music | 29 |
| TwitPic | Share photos on Twitter | Photos | 29 |
| AOL Video | AOL Truveo Video Search | Video | 28 |
| BBC | Media program information service | Media Management | 28 |
| Oodle | Online classifieds service | Shopping | 28 |
| Skype | Internet communication | Telephony | 28 |
| indeed | Job search services | Job Search | 27 |
| Zillow | Real estate pricing and valuations and mortgage rates | Real Estate | 27 |
| Google Visualization | Display and visualization of structured data | Other | 26 |
| Lyricsfly | Song lyrics search engine | Music | 26 |
| MySpace | Social networking service | Social | 26 |
| Yahoo Answers | Community driven reference service | Answers | 26 |
| Google AJAX Language | Text translation service | Utility | 25 |
| imageLoop | Animated slideshow service | Photos | 25 |
| Shopzilla | Online shopping content | Shopping | 25 |
| Yahoo Video Search | Video search | Video | 25 |
| Google Static Maps | Simple online mapping service | Mapping | 24 |
| LyricWiki | Song lyrics data service | Music | 24 |
| Mobile photo sharing service | Photos | 22 | |
| Vimeo | Video sharing service | Video | 22 |
| Bing Maps | Microsoft online mapping service | Mapping | 21 |
| Etsy | Handmade product marketplace | Shopping | 21 |
| Netflix | Movie rental service | Video | 21 |
| Trynt | Term extraction service | Other | 21 |
| Weather Channel | Weather forecast data | Weather | 21 |
| Yahoo Shopping | Shopping services | Shopping | 21 |
| WeatherBug | Weather forecast services | Weather | 20 |
| Yahoo Traffic | Traffic data and routing | Transportation | 20 |
| MSN Messenger | Chat and messaging | Chat | 19 |
| MTV | MTVN Content API | Video | 19 |
| Sunlight Labs Congress | US Congress database service | Government | 19 |
| Google Geocoding | Google Maps Geocoding Service | Mapping | 18 |
| Google Spreadsheets | Online spreadsheets | Office | 18 |
| hostip.info | IP lookup | Internet | 18 |
| Spotify Metadata | Music search and lookup service | Music | 18 |
| Tropo | Communications API for voice, SMS and Instant Messaging | Telephony | 18 |
| Zazzle | On-demand product creation service | Shopping | 18 |
| Calais | Semantic data search and extraction service | Other | 17 |
| Netvibes | Personalized home page with widgets | Widgets | 17 |
| SeeqPod | SeeqPod Music Discovery | Music | 17 |
| Tumblr | Web scrapbook post and view service | Social | 17 |
| Google Talk | Chat application | Chat | 16 |
| Rhapsody | Online music services | Music | 16 |
| SoundCloud | SoundCloud is a social audio platform | Music | 16 |
| Facebook Social Plugins | Facebook extensions | Social | 15 |
| FedEx | Package shipping | Shipping | 15 |
| iTunes and iTunes Connect | iTunes App Store and iTunes Connect data source | Other | 15 |
| Photobucket | Online photo sharing service | Photos | 15 |
| Smugmug | Photo sharing service | Photos | 15 |
| Amazon A9 OpenSearch | Search services | Search | 14 |
| Amazon Marketplace Web Service | Product marketplace service | Shopping | 14 |
| DonorsChoose | An online charity connecting you to classrooms in need | Education | 14 |
| LinkShare | Affiliate marketing network | Shopping | 14 |
| MapLarge | Embed interactive maps on websites | Mapping | 14 |
| OpenLayers | Mapping API abstraction layer | Mapping | 14 |
| OpenStreetMap | The free wiki world map | Mapping | 14 |
| Yahoo Query Language | Query language platform for Yahoo services | Database | 14 |
| Basecamp | Project collaboration service | Project Management | 13 |
| Compete | Internet web site metrics and analytics | Internet | 13 |
| DBpedia | Structured query interface to Wikipedia | Wiki | 13 |
| FanFeedr Sports News | Sports news and information service | Sports | 13 |
| Google Desktop | Desktop search and gadgets | Search | 13 |
| Gowalla | Location aware social network | Social | 13 |
| Heroku | Ruby cloud application platform | Internet | 13 |
| MaxMind GeoIP | IP address lookup services | Internet | 13 |
| NOAA National Weather Service (NWS) | Weather forecast database | Weather | 13 |
| Yahoo Widgets | Desktop widgets | Widgets | 13 |
| Alexa Web Information Service | Web site information and traffic data | Search | 12 |
| ClearForest Semantic Web Services1 | Natural language processing tools | News | 12 |
| CNET | Shopping services | Shopping | 12 |
| Echo Nest | Music services for professionals | Music | 12 |
| Google Documents List | Document management services | Office | 12 |
| Google Webmaster Tools | Web site management tools | Internet | 12 |
| Kayak | Travel search service | Travel | 12 |
| Multimap | Global online mapping service | Mapping | 12 |
| Yahoo Map Image | Map image creation service | Mapping | 12 |
| Zvents | Local events search and community | Events | 12 |
| Amazon Mechanical Turk | Request services of humans | Other | 11 |
| AOL Instant Messenger | Instant messaging chat service | Chat | 11 |
| Fire Eagle | Geo location sharing service | Social | 11 |
| Google Books | Book search services | Reference | 11 |
| HotOrNot | Dating rating site | Social | 11 |
| New York Times Article Search | New York Times article archives | News | 11 |
| uClassify | Text classification services | Internet | 11 |
| US Postal Service | Package shipping and postage | Shipping | 11 |
| Yahoo Related Suggestions | Search suggestion service | Search | 11 |
| Amazon SimpleDB | Online database service | Database | 10 |
| CitySearch CityGrid | Local business directory search service | Shopping | 10 |
| COLOURlovers | Named colors and color palette services | Tools | 10 |
| CrunchBase | Directory of companies, people, and investors | Reference | 10 |
| Dapper | Service for API creation | Internet | 10 |
| Google Contacts | Contact list management | Other | 10 |
| Google Maps Elevation | Get elevation data for any location | Mapping | 10 |
| Google Mashup Editor | Mashup creation tool extensions API | Tools | 10 |
| Grooveshark | Interact with Grooveshark music data | Music | 10 |
| Jaiku | Social messaging service | Messaging | 10 |
| LiveVideo | Video repository and user community | Video | 10 |
| MapQuest | Online mapping service | Mapping | 10 |
| Social news service | News | 10 | |
| Trulia | Real estate search | Real Estate | 10 |
| UPS | Package shipping | Shipping | 10 |
| Vast | Structured web search | Search | 10 |
| AddThis Menu | Allows integration of AddThis sharing tools to websites | Internet | 9 |
| Brightkite | Location sharing service | Social | 9 |
| Disqus | Blog comments management | Blogging | 9 |
| ESRI ArcGIS JavaScript | Mapping services | Mapping | 9 |
| Google Buzz | Social sharing service | Social | 9 |
| Google Checkout | Shopping cart services | Shopping | 9 |
| Nexmo Wholesale SMS | Wholesale SMS API | Messaging | 9 |
| Simply Hired Jobs | Job search services | Job Search | 9 |
| Yahoo Mail | Web based email system | 9 | |
| 23 | Photo sharing service | Photos | 8 |
| Daylife | Online News Service | News | 8 |
| Google Friend Connect | Social network service | Social | 8 |
| Google Fusion Tables | Data sharing and visualization platform | Database | 8 |
| Google Gears Geolocation | User geographical positioning service | Mapping | 8 |
| Google OpenID | OpenID login for Google account users | Security | 8 |
| Google Places | Local business and point of interest service | Mapping | 8 |
| Guardian | UK newspaper | News | 8 |
| Jaduka | Internet and PSTN voice services | Telephony | 8 |
| Pownce | Social networking and micro-blogging service | Social | 8 |
| Revver | Video services | Video | 8 |
| SlideShare | Presentation sharing community | Office | 8 |
| Twick.it | Social Explanation Engine | Blogging | 8 |
| What The Trend? | Twitter trending service | Social | 8 |
| Yahoo Site Explorer | Web site analysis service | Internet | 8 |
| Yahoo Travel | Online travel services | Travel | 8 |
| Alexa Web Search | Web Search Engine | Search | 7 |
| Bebo | Social network | Social | 7 |
| Best Buy BBYOpen Products | eCommerce shopping services | Shopping | 7 |
| BigTribe | Location based advertising | Advertising | 7 |
| Cafe Press | Customized retail product service | Shopping | 7 |
| EchoSign | Document management and e-signature service | Enterprise | 7 |
| Findory | Personalized news aggregation | News | 7 |
| geocoder.ca | Geocoding services for Canada | Mapping | 7 |
| GetGlue | Social networking for entertainment service | Social | 7 |
| Google Latitude | Location sharing service | Mapping | 7 |
| Groupon | Group shopping service | Shopping | 7 |
| Janrain Engage | Social networking login service | Security | 7 |
| Klout | Social metrics service | Internet | 7 |
| OpenSecrets | U.S. political data lookup | Government | 7 |
| Poly9 FreeEarth | 3D mapping service | Mapping | 7 |
| SecondLife | Virtual world | Games | 7 |
| TweetPhoto | Twitter photo sharing service | Photos | 7 |
| Veoh | Internet television, video, and social platform | Video | 7 |
| WatchMouse | Web site monitoring service | Internet | 7 |
| Yahoo My Web Search | Personalized search services | Search | 7 |
| Alexa Top Sites | Web site traffic rankings | Internet | 6 |
| BBC Music | Music information service | Music | 6 |
| ChartLyrics Lyric | Lyrics database search service | Music | 6 |
| CloudMade | Mapping and geospatial web services | Mapping | 6 |
| DocuSign Enterprise | Electronic signature contract execution services | Enterprise | 6 |
| Evri | Recommendations and semantic search service | Recommendations | 6 |
| Fotolia | Royalty free stock photos | Photos | 6 |
| FUTEF Wikipedia API | Third party Wikipedia web service | Reference | 6 |
| Goodreads | Book search and social book services | Other | 6 |
| Google Client Authentication | Account authentication for installed applications | Security | 6 |
| Google Font | Web font service | Other | 6 |
| Google Social Graph | Search service for finding social connections | Social | 6 |
| GovTrack.us | US Congress database service | Government | 6 |
| Grouper Video | Video sharing service | Media Management | 6 |
| Imeem | Social networking and media service | Social | 6 |
| Internet Video Archive | Movie trailers, music videos, and game trailers service | Video | 6 |
| LiveJournal | Blogging software | Blogging | 6 |
| MailChimp | Email List and Campaign management service | 6 | |
| Menu Mania | Restaurant search and review service | Food | 6 |
| Microsoft MapPoint | Mapping services | Mapping | 6 |
| Microsoft Silverlight Streaming | Streaming application management service | Other | 6 |
| Mobypicture | Mobile photo sharing service | Photos | 6 |
| MOO | Web based printing service | Photos | 6 |
| MyVox | Phone to web media voice services | Telephony | 6 |
| Ning | Social network platform | Social | 6 |
| Ontok | Geocode any US address | Mapping | 6 |
| RapLeaf | Enable Personalization for Consumers | 6 | |
| Ringful | Create rich voice and SMS mashups via simple RESTful API | Telephony | 6 |
| Rovi Cloud Services | Digital entertainment technology | Music | 6 |
| SendGrid | Email Delivery. Simplified. | 6 | |
| SharedBook | On-demand reverse publishing system | Other | 6 |
| ShareThis | Social link sharing service | Social | 6 |
| Summize Twitter Search | Search Twitter tweets service | Search | 6 |
| Tinysong | Music sharing service | Music | 6 |
| Tweetmeme | Twitter link popularity service | Social | 6 |
| UrbanDictionary | Slang dictionary lookup | Reference | 6 |
| Yahoo Audio Search | Music search services | Music | 6 |
| Zemanta | Blog authoring extension services | Blogging | 6 |
| Zoho | Online office suite | Office | 6 |
| Zooomr | Photo and text message sharing service | Photos | 6 |
| 43Things | Social goal setting | Goal Setting | 5 |
| 8coupons | Local deals aggregator | Shopping | 5 |
| Adobe on AIR Bus Tour | Services to track Adobe AIR product launch | Other | 5 |
| Amazon Fulfillment Web Service | eCommerce fullfillment service | Shopping | 5 |
| Aonaware Dictionary | Dictionary lookup service | Reference | 5 |
| BackType | Social site comment repository services | Blogging | 5 |
| Blip.fm | Social music service | Music | 5 |
| Bloglines | Online feed aggregator | Feeds | 5 |
| EVE Online | Massively multiplayer online science fiction games | Games | 5 |
| Formstack | Online forms service | Internet | 5 |
| Forvo | Online word pronunciation guide | Reference | 5 |
| FreshBooks | Online invoicing and time tracking | Financial | 5 |
| GitHub | Source code repository | Tools | 5 |
| Google Gmail OAuth | EMail service | 5 | |
| Google Plus | Content sharing service | Social | 5 |
| Google Single SignOn | Authentication for Google Apps | Security | 5 |
| Google Wave | Collaboration and communication platform | Social | 5 |
| Google Web Authentication | Account authentication proxy for web-based applications | Security | 5 |
| Hoiio Voice | Global Telephony API | Telephony | 5 |
| HotelsCombined | Hotel comparison search / aggregator | Travel | 5 |
| Hyves | Social networking and events service | Social | 5 |
| identi.ca | Microblogging service | Blogging | 5 |
| Kiva | Person-to-person micro-lending service | Financial | 5 |
| Lat49 | Geo-targeted advertising for online maps | Advertising | 5 |
| Ma.gnolia | Social bookmarking service | Bookmarks | 5 |
| Map24 AJAX | Mapping services | Mapping | 5 |
| Maponics | Mapping data service | Mapping | 5 |
| Mediaburst SMS | Bulk SMS messaging service | Messaging | 5 |
| MyBlogLog | Social footprint sharing service | Social | 5 |
| New York Times Newswire | All recent New York Times articles in summary | News | 5 |
| NPR | US National Public Radio | News | 5 |
| OpenSocial | Common APIs for building social applications | Social | 5 |
| Orkut | Social network from Google | Social | 5 |
| Outside.in | Hyperlocal news and information aggregator | News | 5 |
| PicPlz | Photo sharing and filtering platform | Photos | 5 |
| Plaxo | Address book management | Enterprise | 5 |
| PriceRunner | Shopping comparision engine | Shopping | 5 |
| Rezgo | Travel tour booking service | Travel | 5 |
| Riya | Photo search | Photos | 5 |
| Rotten Tomatoes | Movie Information and Reviews Database | Recommendations | 5 |
| Shizzow | Location sharing social networking | Social | 5 |
| Thrutu | Realtime apps for Android phones | Telephony | 5 |
| True Knowledge | General question and answers service | Search | 5 |
| TwitterCounter | Twitter user statistics data | Social | 5 |
| Walk Score | Real estate walk score service | Real Estate | 5 |
| WebThumb | Thumbnail image generation service | Internet | 5 |
| WhitePages.com | People search service | Reference | 5 |
| Widgetbox | Create and distribute your widget through the world's largest widget gallery | Widgets | 5 |
| Windows Live Contacts Control | Contacts control | PIM | 5 |
| Windows Live Expo | Online classifieds service | Shopping | 5 |
| Windows Live Spaces | Blog services | Blogging | 5 |
| Yahoo Internet Location Platform | Spatial interoperability and geographic discovery | Mapping | 5 |
| Yahoo Music | Music and musician info and videos | Music | 5 |
| Yahoo Placemaker | Geo-enrichment service | Mapping | 5 |
| Zappos | Online retail store | Shopping | 5 |
| 30 Boxes | Calendar service | Calendar | 4 |
| AddThis Sharing Endpoints | Content sharing service | Internet | 4 |
| Adobe Share | Service for publishing and sharing documents | Storage | 4 |
| aideRSS | RSS feed management and filtering service | Feeds | 4 |
| Amazon Flexible Payments Service | eCommerce payments service | Payment | 4 |
| AMEE | Carbon and energy calculation service | Science | 4 |
| Aviary Effects | Photo filter and effects service | Photos | 4 |
| Backpack | Online information manager | Office | 4 |
| Bandsintown | Music concerts and recommendations service | Music | 4 |
| Biblia.com | Online bible reference service | Reference | 4 |
| Billboard | Music chart service | Music | 4 |
| BlankSlate | Web App Building Blocks | Database | 4 |
| Blip.tv | Video upload and sharing service | Video | 4 |
| Buzznet | Photo sharing | Photos | 4 |
| CareerBuilder | Job and recruiting service | Job Search | 4 |
| Clickatell | SMS Messaging Services | Messaging | 4 |
| Dipity | Interactive timeline creation services | Photos | 4 |
| Drop.io | Content sharing service | File Sharing | 4 |
| Dropbox | Online storage provider | Storage | 4 |
| Eventbrite | Event registration, marketing, and promotion services | Events | 4 |
| Follow The Money | Database of US campaign contributions | Government | 4 |
| Friendster | Social networking service | Social | 4 |
| Google Book Search Book Viewability | Book search | Search | 4 |
| Google Gears | Tools for offline browser extensions | Other | 4 |
| Google Health | Health data service | Medical | 4 |
| Google Shopping Search | Product search service | Shopping | 4 |
| Gruvr | Live music and concert information | Music | 4 |
| Hi5 | Social network service | Social | 4 |
| iLike | Music streaming and playlist service | Music | 4 |
| Internet Archive | Non-profit Internet library and historical archive | Internet | 4 |
| IP Location | Find user location via IP address | Internet | 4 |
| Ipernity | Media sharing service | Media Management | 4 |
| Jigsaw | Business information and contacts directory | Enterprise | 4 |
| Kelkoo | Comparison shopping service | Shopping | 4 |
| LongURL | URL expanding service | Internet | 4 |
| Loxcel | Location based mapping service | Mapping | 4 |
| Meetup | Social events service | Social | 4 |
| Moreover | News delivery | News | 4 |
| Naver | Korean search engine | Search | 4 |
| NCBI Entrez | Life sciences search services | Medical | 4 |
| Nestoria | UK real estate listings | Real Estate | 4 |
| New York Times Congress | US Congress historical data | Government | 4 |
| New York Times Movie Reviews | NY Times newspaper movie review archives | Video | 4 |
| NewsGator | Feed aggregation | Feeds | 4 |
| openDada | Social music service | Music | 4 |
| PriceGrabber | Comparison shopping engine | Shopping | 4 |
| Raw Sugar | Web directory service | Other | 4 |
| Scribd | Document viewer and handling service | Office | 4 |
| SimpleGeo | Location services platform | Mapping | 4 |
| Skydeck | Mobile services | Telephony | 4 |
| sletoh.com | Hotel price comparison service | Travel | 4 |
| SNOCAP | Digital music marketplace | Music | 4 |
| Songkick | Music concert and event community | Music | 4 |
| Thumbalizr | Thumbnail images of websites service | Photos | 4 |
| Twitter Streaming | Public Twitter Stream | Social | 4 |
| Twittervision | Location based data for the Twitter service | Messaging | 4 |
| TypePad | Blog management | Blogging | 4 |
| Urban Mapping Mapfluence | Urban geo-spatial data services | Mapping | 4 |
| Userplane | Communication software for online communities | Social | 4 |
| Viddler | Online video service | Video | 4 |
| VideoSurf | Video search service | Video | 4 |
| WebShots | Photo sharing service | Photos | 4 |
| Windows Live Gadgets | Online gadgets service | Widgets | 4 |
| Yahoo Ads | Online ad management | Advertising | 4 |
| Yahoo Search Marketing | Search advertising platform | Advertising | 4 |
| Yahoo Weather | Weather data service | Weather | 4 |
| Yes Broadcast DB | Radio station search, now-playing, logs and charts | Music | 4 |
| ZoomInfo | Information search services | Reference | 4 |
| Active | Activities, Races, Tournaments, Classes | Sports | 3 |
| Akismet | Blog spam prevention service | Blogging | 3 |
| Amazon CloudWatch | Cloud asset monitoring and management | Internet | 3 |
| Amazon Queue Service | Internet-based queuing service | Other | 3 |
| Amazon RDS Relational Database Service | Relational database service in the cloud | Database | 3 |
| AOL Open Auth | Authentication services | Security | 3 |
| Authorize.Net | Internet based payment gateway services | Payment | 3 |
| BackTweets | Twitter link search service | Search | 3 |
| Bandcamp | Music information including track data and lyrics | Music | 3 |
| Bing Maps Geocode | Geocoding service | Mapping | 3 |
| Blinksale | Online invoicing services | Financial | 3 |
| BT Web21C | Communications services APIs | Telephony | 3 |
| DataUnison eBay Research | eBay pricing and sales trend data | Shopping | 3 |
| DHL | Package shipping services | Shipping | 3 |
| Digital Podcast | Podcast search | Music | 3 |
| Discogs | Music database | Music | 3 |
| EditGrid | Online spreadsheet | Office | 3 |
| Enthusem | Service to send printed greeting cards | Social | 3 |
| Ergast | Motor racing data service | Sports | 3 |
| ESV Bible Lookup | Bible lookup service | Reference | 3 |
| Factual | Open Data for sharing and reference tools | Database | 3 |
| Geograph | British Isles photo service | Photos | 3 |
| GeoIQ | Geo Data, Visualization, and Analysis | Mapping | 3 |
| Gigablast | Search service | Search | 3 |
| Google Apps Email Migration | Migrate existing email systems to Google Apps | 3 | |
| Google Finance Portfolio | Investing portfolio services | Financial | 3 |
| GreatSchools | Education data provider | Education | 3 |
| Hoiio SMS | Global SMS API | Messaging | 3 |
| Howcast | How-to video search service | Video | 3 |
| ImageShack | Online photo and video sharing service | Media Management | 3 |
| InfoChimps Twitter | Twitter Metrics and Analytics | Social | 3 |
| Jamendo | Access to a range of music related information | Music | 3 |
| KooKoo | Cloud based telephony application platform | Telephony | 3 |
| Kuler | Adobe web service for creating color themes | Other | 3 |
| Kynetx | Event-driven application platform | Internet | 3 |
| Layar | Mobile augmented reality service | Other | 3 |
| LibraryThing | Books database and community | Reference | 3 |
| Livekick | Concert and events recommendation service | Events | 3 |
| MapLight | Government database linking contributions and votes | Government | 3 |
| Mappy | French mapping service | Mapping | 3 |
| Mendeley | Academic research paper sharing service | Education | 3 |
| Microsoft adCenter | Online advertisting services | Advertising | 3 |
| MusixMatch | Song lyrics search engine | Music | 3 |
| NASA | Satellite mapping images | Mapping | 3 |
| New York Times Best Sellers | New York Times best-seller lists data | News | 3 |
| New York Times Campaign Finance | U.S. campaign finance data | Government | 3 |
| Norway Weather | Weather data service | Weather | 3 |
| Notifixio.us | XMPP pubsub notification platform | Internet | 3 |
| Ordnance Survey OpenSpace | Online mapping service | Mapping | 3 |
| PDXCouncilConnect | Portland (Oregon) City Council voting service | Government | 3 |
| PeerIndex | Social Network Profiling Tool | Social | 3 |
| PeoplePond | Identity management service | Security | 3 |
| Picnik | Online photo editing service | Photos | 3 |
| PostalMethods | Web-to-Post service for sending letters | Messaging | 3 |
| Pusher | Real-time push service | Tools | 3 |
| QuickFuse | Telephony service | Telephony | 3 |
| RealtyBaron Answers | Real estate question and answer service | Real Estate | 3 |
| Scribd iPaper | Document embedding service | Office | 3 |
| Seesmic | Video dashboard and community | Video | 3 |
| Sensebot | Semantic search service | Search | 3 |
| Shadows | Social bookmarking and community | Bookmarks | 3 |
| SimpleAPI | Web site thumbnail image creation | Internet | 3 |
| Skyhook Wireless | Wifi positioning services | Other | 3 |
| Snipshot | Online photo editing service | Photos | 3 |
| SplogSpot | Database of spam blogs | Blog Search | 3 |
| SpringWidgets | Widget platform | Widgets | 3 |
| Superfeedr | Realtime feed parsing service | Feeds | 3 |
| Swivel | Business data visualization and analysis | Financial | 3 |
| Syndic8 | News feed aggregation services | Feeds | 3 |
| TourCMS Marketplace | Online travel reservation service | Travel | 3 |
| Twitgoo | Twitter image sharing service | Social | 3 |
| Ustream.TV | Live video streaming service | Video | 3 |
| We Feel Fine | Art project that harvests feelings from blogs | Other | 3 |
| WebAIM | Web based instant messaging | Chat | 3 |
| Weblogs | Blog ping service | Blogging | 3 |
| Windows Live Contacts | Contacts database | PIM | 3 |
| Windows Live ID Web Authentication | Web based authentication service | Security | 3 |
| Windows Sidebar Gadgets | Desktop gadgets | Widgets | 3 |
| Yahoo BBauth | Browser based authentication service | Security | 3 |
| Yahoo Messenger | Instant messaging | Chat | 3 |
| Yahoo Music Engine | Desktop music player | Music | 3 |
| Yolink | Semantic search | Search | 3 |
| zanox | Internet monetization services | Advertising | 3 |
| ZeeMaps | Embedded maps and international geocoding | Mapping | 3 |
| Zendesk | Help desk service | Internet | 3 |
| ZoomIn | New Zealand mapping service | Mapping | 3 |
| 12seconds.tv | 12-second videoblogging | Video | 2 |
| 5min | Instructional video database | Video | 2 |
| 7digital | Music downloads store | Music | 2 |
| Active.com | Active lifestyle community database | Sports | 2 |
| AddThis Services | AddThis Integration Service | Internet | 2 |
| AgentRank | Real estate agent sales, forecasts, and reviews | Real Estate | 2 |
| Alchemy | Semantic text and data dection and extraction | Tools | 2 |
| Alexa Site Thumbnail | Thumbnail images of web site home pages | Internet | 2 |
| Amplify | Content analysis service | Internet | 2 |
| AOL Open Mail | Email services | 2 | |
| ArtBeat | NYC/Tokyo art events information | Events | 2 |
| Australian Business Number Lookup | Australian business number refernece service | Government | 2 |
| Autodesk Freewheel | CAD model viewing, printing and collaboration | Other | 2 |
| Avvo | Lawyer and doctor directory service | Reference | 2 |
| awe.sm | Social sharing platform and performance analytics | Social | 2 |
| BatchBook | Customer relationship management | Enterprise | 2 |
| BibSonomy | Social bookmarking | Bookmarks | 2 |
| Big Huge Thesaurus | Thesaurus lookup services | Reference | 2 |
| Bing Maps Routes | Mapping route creation service | Mapping | 2 |
| Bing Maps Search | Mapping search service | Mapping | 2 |
| Bing Translator | Web translation tool | Tools | 2 |
| bLaugh Comics | Online comic strip | Other | 2 |
| Blinkx | Video search service | Video | 2 |
| Blogmarks | Social bookmarking | Bookmarks | 2 |
| Blue Dot | Content sharing community | Bookmarks | 2 |
| Bol.com | Dutch online retail store | Shopping | 2 |
| BookingMarkets | Travel web site platform | Travel | 2 |
| BookMooch | Books exchange service | Other | 2 |
| Brighter Planet Emission Estimates | Real-time carbon footprint estimates | Other | 2 |
| Broadsoft Xtended | VoIP telephony services | Telephony | 2 |
| Burstn | Instant photo sharing and storage service | Photos | 2 |
| Capitol Words | Track words used by US government representatives | Government | 2 |
| Carma | Carbon emissions data | Other | 2 |
| ChaCha | SMS question and answer service | Answers | 2 |
| Cicero | Address-based Legislative District Matching and Elected Official Lookup Service | Government | 2 |
| Clicky | Web site analytics | Internet | 2 |
| Cohuman | Project task coordination tool | Project Management | 2 |
| Collecta | Real time search service | Search | 2 |
| Context.IO | Email inbox as data source service | 2 | |
| Dailymotion | Video sharing site | Video | 2 |
| DigitalBucket | Online storage service | Storage | 2 |
| Drawloop | API to merge, convert and combine documents | Office | 2 |
| Dribbble | Webdesign showcase | Other | 2 |
| Education.com | School test scores and other data | Education | 2 |
| Evernote | The global platform for human memory | Utility | 2 |
| Evoca | Phone to web media voice services | Telephony | 2 |
| Face.com | Face Recognition | Photos | 2 |
| Facebook Ads | Advertising management service | Advertising | 2 |
| Faviconz | Database of favicons | Internet | 2 |
| Fitbit | Fitness Tracking Tools | Sports | 2 |
| FlightStats | Live flight aircraft and delays tracking | Travel | 2 |
| Foxrate | Currency exchange rates | Financial | 2 |
| Framey | Website video recording tool | Video | 2 |
| FreebieSMS | Bulk SMS messaging service | Messaging | 2 |
| fring | Mobile community development platform | Chat | 2 |
| GamesRadar | Video game cheats and guides services | Games | 2 |
| Garmin MotionBased | GPS services and mapping | Sports | 2 |
| Geoloqi | Location sharing service | Mapping | 2 |
| Global Biodiversity Information Facility | Species datasets | Reference | 2 |
| GlobeXplorer | Mapping services | Mapping | 2 |
| Google Code Search | Code search service | Search | 2 |
| Google Directions | Driving directions web service | Mapping | 2 |
| Google Distance Matrix | Travel distance based on Google Maps | Mapping | 2 |
| Google Email Settings | Allows administration of Google Apps email accounts | 2 | |
| Google Notebook | Online notebook service | Utility | 2 |
| Google Safe Browsing | Security service to verify URLs | Security | 2 |
| Google Sites | Access data from the Google Sites service | Tools | 2 |
| Google Tasks | Personal task list service | PIM | 2 |
| Google Translator Toolkit | Document translation service | Tools | 2 |
| Highrise | Online contact manager and CRM | Enterprise | 2 |
| hon.jp | Japanese eBook metadata service | Shopping | 2 |
| Hunch | Questions and answers service | Answers | 2 |
| I Heart Quotes | Quotes and fortunes generator | Reference | 2 |
| iFixit | Online repair manual database | Reference | 2 |
| iGoogle Themes | Google homepage design service | Other | 2 |
| IMified | Instant messenger buddy | Chat | 2 |
| Infochimps Digital Element | Data mining tool | Internet | 2 |
| Infosniper.net | Internet IP geolocation service | Internet | 2 |
| Interfax | Fax services | Fax | 2 |
| IP Address Lookup | Determine IP address from domain name | Internet | 2 |
| IP2Location | IP lookup service | Internet | 2 |
| ISBN db | Books database | Reference | 2 |
| Issuu Search | Online publication service | File Sharing | 2 |
| JoyRack Games | Flash games directory | Games | 2 |
| Kewego Video | Video platform service | Video | 2 |
| Kyte | Streaming interactive television service | Video | 2 |
| LazyTune | Music search services | Music | 2 |
| Library of Congress SRW | Information database search | Reference | 2 |
| LinkUp Job Search Engine | Job search service | Job Search | 2 |
| Lulu Publishing | Programmatically publish and sell books | Other | 2 |
| Magento | eCommerce store creation and management service | Shopping | 2 |
| Mapfluence | Mapping infrastructure and data access | Mapping | 2 |
| Mapstraction | Mapping API abstraction layer | Mapping | 2 |
| MetaCarta | Location and geotagging services | Mapping | 2 |
| Microsoft MSDN | Technical reference library | Reference | 2 |
| Microsoft start.com | Portal service | Widgets | 2 |
| MindTouch Deki Wiki | Wiki platform service | Wiki | 2 |
| Mobivity | SMS marketing messaging service | Messaging | 2 |
| MusicMobs | Social music service | Music | 2 |
| Myplaylist | Photo slideshow for music services | Music | 2 |
| New York Times TimesPeople | New York Times service for TimesPeople data | News | 2 |
| NewsCloud | Social news service | News | 2 |
| Omgili | Search service for user generated content | Search | 2 |
| Omnidrive | Online storage services | Storage | 2 |
| Ontok Wikipedia | Encyclopedia data access | Wiki | 2 |
| Pageflakes | Personalized start page and widgets | Widgets | 2 |
| PDF Generator | PDF file conversion service | Office | 2 |
| Phanfare | Photo and video sharing service | Media Management | 2 |
| PhishTank | Community site for tracking phishing | Security | 2 |
| pho.to | Online photo editing and presentation platform | Photos | 2 |
| Pikeo | Picture sharing service | Photos | 2 |
| Pingdom | Web site monitoring and reporting services | Internet | 2 |
| Plancast | Social event service | Social | 2 |
| Playme | Music streaming, download, radio and playlist service | Music | 2 |
| Plazes | Location based social network | Social | 2 |
| PLoS Search | Scientific literature search service | Reference | 2 |
| Posterous | Content sharing service | Social | 2 |
| ProgrammableWeb | API for APIs | Internet | 2 |
| PubSub | Blog and feed search | Blog Search | 2 |
| Qwerly | Social Web Search Engine | Social | 2 |
| Recurly | Subscription billing service | Payment | 2 |
| Reuters Spotlight | Reuters.com content service | News | 2 |
| SemanticHacker | Semantic discovery service | Search | 2 |
| Shopify | Online shopping cart service | Shopping | 2 |
| SMSMyBus | Madison transit service | Transportation | 2 |
| Snapr | Real-time geosocial photosharing service | Photos | 2 |
| Social Actions | Volunteer and charity opportunities services | Other | 2 |
| Sparklines | Graph generation service | Other | 2 |
| Spock | People search on the Web | Search | 2 |
| SpokenBuzz | Voice services portal | Telephony | 2 |
| Spore | Spore game database and content | Games | 2 |
| Steply | Photo sharing mobile application | Photos | 2 |
| StrikeIron Global SMS Pro | SMS messaging services | Messaging | 2 |
| StrikeIron Super Data Pack | APIs for variety of reference data sources | Reference | 2 |
| StrikeIron US Census | Census data information service | Reference | 2 |
| Stupeflix | Video creation service | Video | 2 |
| Tagalus | A dictionary for Twitter hashtags | Social | 2 |
| Taglets | Tagging service | Tagging | 2 |
| TagTooga | Tag based Internet directory | Tagging | 2 |
| Tailrank | Blog search and news aggregation service | Blog Search | 2 |
| Tiny-URL Open | URL shortening tool | Tools | 2 |
| Tinylink | URL shortening service | Internet | 2 |
| Topicalizer | Document analysis service | Other | 2 |
| Topsy | Twitter search service | Search | 2 |
| TownMe Geo | Business listings, POI, reverse geocoder | Mapping | 2 |
| tr.im | URL shortening service | Internet | 2 |
| Travel Booking Engine | Online travel booking service | Travel | 2 |
| Travelport | Travel booking service | Travel | 2 |
| TripIt | Online travel itinerary service | Travel | 2 |
| Twitter Grader | Twitter user ratings service | Social | 2 |
| UPC Database | UPC lookup service | Shopping | 2 |
| USGS Elevation Query Service | Determine elevation based on latitude and longitude | Mapping | 2 |
| ViaMichelin | Mapping, directions, and travel booking services | Travel | 2 |
| Vodpod | Video sharing and discovery | Video | 2 |
| WareNet CheckWare | Hardware product database | Reference | 2 |
| Weather Underground (Wunderground) | Weather forecast service | Weather | 2 |
| WHERE GPS | Mobile GPS widget platform | Mapping | 2 |
| Windows Live Data | Service for users to control data access | Security | 2 |
| WiserEarth | Environmentalists online community | Other | 2 |
| Wordnik | Dictionary, spelling, and other word reference | Reference | 2 |
| WordPress.com | Blogging platform | Blogging | 2 |
| World Time Engine | World clock and time zone service | Utility | 2 |
| WorldCat Search | Library data access | Reference | 2 |
| Yahoo Address Book | Address book service for Yahoo accounts | Other | 2 |
| Yahoo Fantasy Sports | Fantasy sports data on leagues, teams and players | Sports | 2 |
| Yahoo GeoPlanet | Geo-referencing service | Mapping | 2 |
| Yahoo Live | Live video streaming service | Video | 2 |
| Yahoo PlaceFinder | Geocoding of named places | Mapping | 2 |
| Yellow Canada | Canadian business listings service | Search | 2 |
| Your Mapper | Online mapping service | Mapping | 2 |
| YouTXT | SMS text messaging service | Messaging | 2 |
| Zenfolio | Photo sharing platform | Photos | 2 |
| OneLogin | Single sign-on solution | Security | 1 |
| #blue | Text messaging storage service | Messaging | 1 |
| .tel | Access to .tel DNS | Internet | 1 |
| 8tracks | Music playlist creation service | Music | 1 |
| Abbreviations | Abbreviated words services | Reference | 1 |
| AccuWeather | Weather forecast service | Weather | 1 |
| ActBlue | Democratic fundraising service | Government | 1 |
| Activ Financial | Financial market data services | Enterprise | 1 |
| Activa Live Chat | Live Chat Platform | Chat | 1 |
| AddThis Analytics | Content sharing analytics data service | Internet | 1 |
| Adility | Local coupon service | Shopping | 1 |
| Adobe Social | Social network connection platform | Social | 1 |
| Aevum Obscurum | Online multiplayer strategy game | Games | 1 |
| After the Deadline | Spelling, style, and grammar checking | Blogging | 1 |
| Agendize Action | Business conversion tools platform | Enterprise | 1 |
| AIM Phoneline | Voice Over IP Internet telephony services | Telephony | 1 |
| AlchemyAPI Keyword and Term Extraction | Text analysis and extraction tool | Utility | 1 |
| Alibris | Marketplace for books, movies and music | Shopping | 1 |
| All for Good | Find and share volunteer opportunities | Other | 1 |
| AlternativeTo | Software application recommendations | Recommendations | 1 |
| Amazon Elastic MapReduce | MapReduce data processing service | Tools | 1 |
| Amazon Historical Pricing | Historical product sales data | Shopping | 1 |
| Amazon SES | Email sending service | 1 | |
| AngelList | Startup financing community | Social | 1 |
| AOL Pictures | Online photo management | Photos | 1 |
| AOL Video Upload | Video upload and sharing service | Video | 1 |
| ArcWeb | Mapping and GIS services | Mapping | 1 |
| arXiv | Academic research repository | Reference | 1 |
| Authentic Jobs | Job search services for developers and designers | Job Search | 1 |
| AvantLink | Affiliate marketing network | Shopping | 1 |
| Aviary Suite | Image editing service | Tools | 1 |
| Aviary Web | Image editing service | Photos | 1 |
| AwardWallet | Loyalty program management service | Financial | 1 |
| Baby Names | International baby naming services | Reference | 1 |
| Barcelona Bicing | Bicing station data | Reference | 1 |
| BART | Transit tracking service for San Francisco, California | Transportation | 1 |
| Beatport | Electronic music downloads | Music | 1 |
| BeenVerified | Authentication services | Security | 1 |
| Beer Mapping | Brewery data and mapping services | Food | 1 |
| BeliefNetworks | Semantic Intelligence, Site recommendations service | Recommendations | 1 |
| Betfair | Online betting exchange | Other | 1 |
| Bible Gateway | Bible lookup services | Other | 1 |
| billomat | Online billing service | Financial | 1 |
| Biodiversity Heritage Library | Digital biodiversity library | Science | 1 |
| Blogama (IPInfoDB) | IP geolocation service | Internet | 1 |
| BooRah Restaurant Search | Restaurant search service | Search | 1 |
| Brewery DB | Open library of breweries and beers | Reference | 1 |
| Brightcove | Video publishing service | Video | 1 |
| Brooklyn Museum | Museum online collection access | Education | 1 |
| Buildasearch | BuildaSearch Site Search Services | Search | 1 |
| Bump | Mobile device data exchange service | Telephony | 1 |
| Business.gov | US government small business resources | Government | 1 |
| buySAFE | E-commerce trust network | Security | 1 |
| Campaign Monitor | Email List and Campaign management service | 1 | |
| Campfire | Business messaging service | Chat | 1 |
| Careerjet | Job search service | Job Search | 1 |
| ChannelAdvisor | E-Commerce solutions | Shopping | 1 |
| Checkvist | Online collaborative outliner and task list management | PIM | 1 |
| Cheezburger | Online humor and lolcat service | Photos | 1 |
| Chicago Transit Authority | API for the Chicago Transit Bus System | Transportation | 1 |
| Chirpio | Social rating tool | Social | 1 |
| Cirip | Microblogging service | Blogging | 1 |
| City and State by Zip Code | Address lookup service | Reference | 1 |
| CitySourced | Mobile civic engagment tool | Government | 1 |
| Cligs | URL shortening services with analytics | Internet | 1 |
| Clipta | Video Search | Video | 1 |
| CloudMine | Backend as a service platform | Internet | 1 |
| Cloudspeakers | Music information database | Music | 1 |
| Cloudvox | Voice application platform | Telephony | 1 |
| ConceptShare | Design and review collaboration services | Project Management | 1 |
| Connotea | Bookmark and reference sharing for researchers | Bookmarks | 1 |
| Context Voice | Tool to track online engagement | Tools | 1 |
| CorpWatch | Corporation accountability research service | Other | 1 |
| Cownt Us | Web site analytics | Internet | 1 |
| Creative Commons | Licensing engine integration | Other | 1 |
| cross.io | Cross Service Syndication | Other | 1 |
| CTA Bus Tracker | Chicago transit tracking service | Transportation | 1 |
| Currencies Exchange Rates | Currency exchange rates service | Financial | 1 |
| CyberSource Simple | Online payment service | Payment | 1 |
| DabbleDB | Online database service | Database | 1 |
| Dailyplaces | Location based microblogging platform | Social | 1 |
| Dance-Tunes | Electronic music downloads | Music | 1 |
| DandyId | Social graph management services | Social | 1 |
| Deal Magic | List of Daily Deals | Shopping | 1 |
| DealSurf | Daily deal aggregator service | Shopping | 1 |
| deCarta | Location-based services | Mapping | 1 |
| Democracy In Action | eAdvocacy services for nonprofits | Government | 1 |
| deviantART | Social network for artists | Social | 1 |
| Dezrez | Real estate listing service | Real Estate | 1 |
| DigitalNZ | New Zealand metadata database | Reference | 1 |
| Directed Edge | Content linking services | Social | 1 |
| Doba | eCommerce service | Enterprise | 1 |
| Docstoc | Document sharing service | Office | 1 |
| DoIt | Task Management System | PIM | 1 |
| dopplr | Community travel service | Travel | 1 |
| Dun and Bradstreet Business Verification | Research company background data | Reference | 1 |
| Dun and Bradstreet Credit Check | Credit quick check web service | Financial | 1 |
| EarthTools | Web services for geographical information | Tools | 1 |
| EasyUtil | Recommendation service | Recommendations | 1 |
| ECGridOS EDI | Web Services Communications API | Tools | 1 |
| Edmunds.com Vehicle | Automobile information | Reference | 1 |
| EEA Discomap | Environmental Mapping Service | Mapping | 1 |
| Elance | Online job marketplace | Job Search | 1 |
| Empora Evergreen | UK fashion search service | Search | 1 |
| EPA Station Catalog | EPA monitoring station information service | Science | 1 |
| EPA Watershed Summary | EPA watershed information service | Science | 1 |
| eSideWalk | Community networking site | Other | 1 |
| Evature Travel Search | Free text travel search query service | Travel | 1 |
| Exchange Rate | Simple Currency API | Financial | 1 |
| Expedia | Travel booking service | Travel | 1 |
| Expono | Photo storage and sharing service | Photos | 1 |
| Extractiv | Semantic text extraction service | Internet | 1 |
| Facebook Chat | Integrate facebook chat | Chat | 1 |
| Facebook Credits | Digital and virtual goods payment service | Payment | 1 |
| Facebook Real-time Updates | Real-Time Updates from Facebook | Social | 1 |
| Faces.com | Photo and media sharing service | Music | 1 |
| FanSnap | Ticket search service | Events | 1 |
| Fantasy Football Nerd | American football draft rankings | Sports | 1 |
| FatSecret | Food, nutrition and recipe database and diet tools | Food | 1 |
| FedSpending.org | Database of US government spending | Government | 1 |
| FeedMap | Blog geo-coding | Blog Search | 1 |
| ffwd | Video sharing and discovery | Video | 1 |
| FilesAnywhere | Data storage and content sharing service | Storage | 1 |
| FilesTube | Search engine for files | File Sharing | 1 |
| Film Crave | Movie database of reviews, trailers, and reference | Video | 1 |
| Fizber Neighborhoods | Neighborhood data service | Real Estate | 1 |
| Floobs | Streaming video service | Video | 1 |
| Forrst | Designer/developer community | Social | 1 |
| FreeYourID | Online identity authentication services | Internet | 1 |
| Fwix Location | Business listing service | Mapping | 1 |
| GamePro | Gaming review service | Games | 1 |
| Gatekrash | UK event listings service | Events | 1 |
| geocubes | Mapping search service | Mapping | 1 |
| Geolenz | Reverse geocoding service | Tools | 1 |
| Get Satisfaction | Distributed product support services | Social | 1 |
| GetMapping | Aerial photography and mapping service | Mapping | 1 |
| GigJunkie | Music events services | Music | 1 |
| Gigya | Single Sign-In/Registration Service | Social | 1 |
| GoMoText SMS Gateway | SMS mobile marketing service | Messaging | 1 |
| Google Apps Script | Automation service for Google products | Tools | 1 |
| Google O3D | 3D API for web browsers | Other | 1 |
| Google Page Speed Online | Website speed scores and optimization | Internet | 1 |
| Google Prediction | Artificial intelligence service | Tools | 1 |
| Google Reader Subscriber Statistics | RSS feed statistics | Blogging | 1 |
| Google Shopping Content | Product listing service | Shopping | 1 |
| Google Sidewiki | Access to Google Sidewiki content | Internet | 1 |
| Google URL Shortener | URL shortening service | Utility | 1 |
| Google Website Optimizer | Create and modify website optimizer experiments | Internet | 1 |
| Gravatar | Online Avatar Service | Utility | 1 |
| Harvest | Project time tracking and tasks | Project Management | 1 |
| Heyzap | Gaming service for Flash games | Games | 1 |
| High Gear Media | Automotive reviews and news | News | 1 |
| hiogi | Questions and answers service for mobile | Answers | 1 |
| Hiveminder | To-do list managment service | PIM | 1 |
| Holidays Service | Holiday dates lookup service | Reference | 1 |
| HotUKDeals | UK local deals service | Shopping | 1 |
| Idescat | Population search | Search | 1 |
| idiomag | Musical artist information service | Music | 1 |
| Ifbyphone | Cloud based telephony service for IVR and dialer apps | Telephony | 1 |
| IIG Alerts | Voice, SMS and Email messaging | Messaging | 1 |
| ikregeer.nl | Dutch parliament documents | Government | 1 |
| img.ly | Photo sharing service | Photos | 1 |
| Imgur | Photo sharing service | Photos | 1 |
| ImmobilienScout24 | Real estate search in Germany | Real Estate | 1 |
| InfoChimps Datasets | 2,000+ dataset reference library | Reference | 1 |
| InnerGears Weather by City | US Weather forecasts by city | Weather | 1 |
| Instapaper | Bookmark long web pages | Bookmarks | 1 |
| Intel CPU | Access to CPU information | Utility | 1 |
| IntelePeer | Telephony From the Cloud Service | Telephony | 1 |
| Intuit Data Service | Cloud data service for Intuit apps like QuickBooks | Enterprise | 1 |
| is.gd | Url shortening service | Internet | 1 |
| JamBase | Live music and concert information | Music | 1 |
| JobCentral Jobs | Job search services | Job Search | 1 |
| Joost | Online television | Video | 1 |
| Jots | Social bookmarking | Bookmarks | 1 |
| JotSpot | Wiki-style collaboration tools | Wiki | 1 |
| Juju Publisher | Job search engine | Job Search | 1 |
| Justin.tv | Live video service | Video | 1 |
| Kwwika | Real-time push notifications and messaging service | Internet | 1 |
| LangId | Language identification service | Utility | 1 |
| Let's Be Trends | Trend tracking on Twitter | Social | 1 |
| Library of Congress Prints & Photographs | Image search service | Media Search | 1 |
| Lingr | Online chatroom services | Chat | 1 |
| Living Stones | Bible lookup service | Other | 1 |
| Localmind | Location based Q&A | Recommendations | 1 |
| Lockerz | Photo sharing service | Photos | 1 |
| LocLizard | Mobile application positioning service | Tools | 1 |
| Long URL Please | Shortened URL expanding service | Internet | 1 |
| LyrDB | Lyrics Database | Music | 1 |
| MapQuest Geocoding | Forward and Reverse Geocoding Service | Mapping | 1 |
| MapQuest Open Directions | Driving directions service | Mapping | 1 |
| Martindale-Hubbell | Legal directory | Reference | 1 |
| Meaningtool | Semantic meaning service | Other | 1 |
| Medianet Open MP3 | Music search services and music store | Music | 1 |
| MediaTemple | Web hosting service | Internet | 1 |
| Medioh | Video search service | Video | 1 |
| Meebo | Web based messaging platform | Chat | 1 |
| Metro Realtime | Los Angeles Metro real-time vehicle location | Transportation | 1 |
| Microsoft HealthVault | Health-related data storage, security, and records | Medical | 1 |
| Microsoft Translator | Web page and subpage language translation | Utility | 1 |
| Miso | Social television service | Social | 1 |
| mite | Time tracking tool | Office | 1 |
| Mochi Media Flash Games | Game database listing service | Games | 1 |
| Moneybookers | Online payments service | Payment | 1 |
| Moonshadow Mobile | US population data service | Reference | 1 |
| Movieclips.com | Movie scene search and information service | Video | 1 |
| Nabaztag | Robotic rabbit controller service | Games | 1 |
| National Library of Medicine DIRLINE | Medical information resource database | Medical | 1 |
| NCAA Mens College Basketball | NCAA college basketball data services | Sports | 1 |
| nd url | URL shortening service | Internet | 1 |
| NetSuite | On-demand business application suite | Enterprise | 1 |
| New York Times Community | Access user-generated NYTimes.com content | News | 1 |
| Next Big Sound | Artist and Band Statistics | Music | 1 |
| NHS | UK National Health Service | Medical | 1 |
| Nike Plus | Workout tracking service | Sports | 1 |
| NOAA ERDDAP | Oceanic science data service | Science | 1 |
| Nodester | Open Source Node.js Application Hosting | Utility | 1 |
| Notifo | Mobile push notification platform | Messaging | 1 |
| Nozbe | Personal productivity service using GTD | PIM | 1 |
| Odnoklassniki | Russian social network | Social | 1 |
| Ohloh | Open source software directory and community | Social | 1 |
| ooVoo | Web video chat room service | Chat | 1 |
| Ooyala Video Player | Video player customization services | Video | 1 |
| Open Dining Network Food Ordering | Online restaurant menus and ordering service | Food | 1 |
| Open Government Data Initiative | Government data resource from Microsoft | Government | 1 |
| Open Patent Services | European Patent Office web services | Government | 1 |
| OpenDOAR | Academic research repository | Education | 1 |
| OpenSosius | Social networking services | Social | 1 |
| OpenStrands | Music recommendation and discovery | Music | 1 |
| OpenX | Online advertising management services | Advertising | 1 |
| OpinionCrawl Sentiment Analysis | Web sentiment analysis | Internet | 1 |
| Orange Location | Location Tracking Services | Telephony | 1 |
| Orange SMS | SMS Text Messaging Service | Messaging | 1 |
| Orb | Digital media remote access and management | Media Management | 1 |
| Pachube | Realtime device and buildings monitoring | Other | 1 |
| PeekaCity | Location-based services | Mapping | 1 |
| PhotoShelter | Web solution for photographers | Photos | 1 |
| Pikchur | Photo and video uploading service | Social | 1 |
| Pinboard | Social bookmarking service | Bookmarks | 1 |
| Ping.fm | Social networking ping and update service | Social | 1 |
| Pixagogo | Online photo services | Photos | 1 |
| Pixlr | Photo editing service | Photos | 1 |
| PostRank Data Mining | Feed and story retrieval and analysis | Internet | 1 |
| Printfection | Sell custom merchandise | Shopping | 1 |
| Prodigem | File sharing via BitTorrent | File Sharing | 1 |
| Producteev | Multi-task collaboration tool | Tools | 1 |
| Prosper | Peer-to-peer lending network | Financial | 1 |
| Public Transit Data Community | US transit data feeds service | Transportation | 1 |
| PubNub JavaScript Push | High-volume messaging service | Messaging | 1 |
| Pushpin | Mapping service | Mapping | 1 |
| Pushpin Location Data | Location and statistical information about places | Mapping | 1 |
| qr.cx | URL shortening service | Tools | 1 |
| QuarkRank | Consumer reviews service | Shopping | 1 |
| QuickBase | Workgroup applications management | Enterprise | 1 |
| Quizlet Flashcards | World's largest flashcards database | Education | 1 |
| Quora | Question and answer site | Answers | 1 |
| Quova | IP geolocation service | Internet | 1 |
| Qurl | URL redirection services | Internet | 1 |
| Qype | Local reviews service | Recommendations | 1 |
| r.im | URL shortening service | Internet | 1 |
| RadioTime | Music and talk radio service | Music | 1 |
| Rakuten | Japanese shopping web service | Shopping | 1 |
| reCAPTCHA | Security and Book Digitalization Service | Security | 1 |
| Remember the Milk | Personal information management | PIM | 1 |
| Rentometer | Realestate pricing services | Real Estate | 1 |
| RescueTime | Time tracking services | Project Management | 1 |
| RetailMeNot.com Community Ideas | Online coupons and discounts | Shopping | 1 |
| Retro Avatar | Avatar creator | Utility | 1 |
| RhymeBrain | Online rhyming dictionary | Dictionary | 1 |
| Ribbit | Flash based VoIP service | Telephony | 1 |
| RPM Software | Process management software | Enterprise | 1 |
| Rrove | Social Bookmarking for Places Create & Share Maps | Bookmarks | 1 |
| Safe Creative | Free copyright registry | Tools | 1 |
| Scalr | Cloud hosting platform | Internet | 1 |
| Science Museum | British Science Museum data and services | Education | 1 |
| Sears | Retail shopping catalog | Shopping | 1 |
| Semantic Contextual Advertising | Contextual ad matching | Advertising | 1 |
| Sendible | Social Media Management Service | Messaging | 1 |
| SEOmoz | Search engine optimization services | Search | 1 |
| ShopStyle | Shopping database services | Shopping | 1 |
| SHOUTcast Radio | Internet radio database service | Reference | 1 |
| Shrten | URL shortening service | Internet | 1 |
| ShutterPoint | Stock photography service | Photos | 1 |
| SimpleGeo Places | Location Search Service | Mapping | 1 |
| Simpy | Social bookmarking | Bookmarks | 1 |
| SmashFly | Job board posting service | Job Search | 1 |
| SnappyFingers | Question and answer search engine | Search | 1 |
| Social Archive | Status message search engine | Search | 1 |
| Social Mention | Aggregated social search service | Search | 1 |
| SocialOomph | Social media productivity enhancement services | Social | 1 |
| Song.ly | Music discovery service | Music | 1 |
| Songza | Music popularity and user playlist services | Music | 1 |
| SpamOn | Disposable email address service | 1 | |
| Spraci | Events and clubs database | Events | 1 |
| Springer | Scientific journal and books database | Reference | 1 |
| stikkit | Little sticky notes that think | Utility | 1 |
| StrikeIron | API marketplace services | Other | 1 |
| StrikeIron Reverse Phone Lookup | Reverse phone lookup services | Reference | 1 |
| StrikeIron Tax Service | Sales tax reference lookup | Reference | 1 |
| Stripe | Online payment service | Payment | 1 |
| Stylight | Fashion images and other services for shopping | Shopping | 1 |
| Subj3ct | Semantic Web subject identity resolution service | Other | 1 |
| SugarSync | On demand computer backup and synchronization | Storage | 1 |
| Swoogle | Semantic data search | Tagging | 1 |
| Tagoo | Audio and video search engine | Search | 1 |
| Tagul | Tag Cloud Creation Service | Tagging | 1 |
| TappIn | Cloud content sharing service | Storage | 1 |
| Tarpipe | Lifestreaming services | Social | 1 |
| TeachStreet Classes and Courses | Local and online class search and community | Education | 1 |
| Teambox | Project collaboration service | Tools | 1 |
| Textamerica | Moblogs | Messaging | 1 |
| The Movie DB | Movie and cast information database | Database | 1 |
| TheyWorkForYou | Track the UK Parliament | Government | 1 |
| ThisNext | Social shopping service | Recommendations | 1 |
| Thounds | Music creation and sharing service | Music | 1 |
| Ticketfly | Music events and ticketing service | Events | 1 |
| TimesURL | URL shortening service | Internet | 1 |
| Tiny GeoCoder | Geocoding services | Mapping | 1 |
| TokBox | Authentication services | Security | 1 |
| Toodledo | To-do list management | PIM | 1 |
| Touchnote | Create custom cards from photos | Photos | 1 |
| Tradeshift | Business Network and Invoice management service | Enterprise | 1 |
| TradeSports | Online sports betting exchange | Other | 1 |
| Trailer Addict | Movie trailer viewing service | Video | 1 |
| TransiCast | Public transit data aggregation service | Transportation | 1 |
| Transparency Data | State and Federal campaign contribution data | Government | 1 |
| TravelFusion | Travel Flight Booking API | Travel | 1 |
| TravEnjoy | Travel search service | Travel | 1 |
| Trendrr | Graphing trends service | News | 1 |
| Tribe HR | Online human resource application | Enterprise | 1 |
| TriMet | Transit tracking service for Portland, Oregon | Transportation | 1 |
| TringMe | VoIP telephony services | Telephony | 1 |
| TrustedPlaces | Local user reviews and city guides | Recommendations | 1 |
| Tutorials Garden | Online tutorials service | Other | 1 |
| TweepSearch | Twitter profile search services | Social | 1 |
| Tweet Press | Long tweet blogging service | Blogging | 1 |
| Tweet Scan | Twitter and identi.ca search results service | Search | 1 |
| TweetARun | Get access to your running records that have been recorded on TweetARun | Social | 1 |
| TweetFeel Twitter Sentiment | Twitter customer expereince tracking tool | Social | 1 |
| TweetLater | Twitter tweet scheduling tool | Social | 1 |
| TweetRL | Revenue sharing twitter article service | Social | 1 |
| TweetSentiments | Sentiment analysis for Twitter service | Tools | 1 |
| TweetShrink | Tweet shortening service | Blogging | 1 |
| Twinfluence | Twitter profile analysis service | Internet | 1 |
| TwitrPix | Photo sharing service for Twitter | Photos | 1 |
| twt.fm | Twitter music sharing service | Music | 1 |
| TypeKey | Authentication Framework | Security | 1 |
| Union County NC GIS | Local North Carloina GIS service | Government | 1 |
| Urban Mapping Neighborhoods | Urban geo-spatial data services | Mapping | 1 |
| urlBorg | URL shortening service | Internet | 1 |
| US Yellow Pages | US yellow pages telephone directory | Mapping | 1 |
| uShip | Online shipping marketplace | Shipping | 1 |
| Verizon NavBuilder LocationKit | Mobile geolocation service | Mapping | 1 |
| VeryRelated Mind Maps Keyword | Keywords generation service | Utility | 1 |
| Videodetective | Film trailers, cast, images, and related information | Video | 1 |
| Vidoop | Secure authentication service | Security | 1 |
| voo2do | Task management | Other | 1 |
| Voxeo | Services for IVR and Voice over IP, VoIP | Telephony | 1 |
| W3Counter | Web site metrics tools | Internet | 1 |
| We Are Hunted | Social music data sharing | Music | 1 |
| Weather Central | XML Weather feed | Weather | 1 |
| Web API for Biology | Biological sequence search and analysis | Medical | 1 |
| WebPurify Profanity Filter | Profanity filtering service | Utility | 1 |
| Weplay | Social Youth Sports Community | Sports | 1 |
| WhatCounts | Email management services | 1 | |
| Where2GetIt SlippyMap | Online mapping service | Search | 1 |
| Whereis | Australian and New Zealand mapping service | Mapping | 1 |
| Whois | Whois lookup service | Tools | 1 |
| Wigle | Wireless network mapping | Search | 1 |
| WikiLocation | Find Wikipedia articles based on location | Wiki | 1 |
| Windows Live Admin Center | Web site administration services | Internet | 1 |
| Windows Live Spaces Photo | Photo management services | Photos | 1 |
| Windows Live Spaces Photo Control | Programmable widget for blog photos | Photos | 1 |
| Wine.com | Wine reference and resources | Shopping | 1 |
| Wishpot Shopping | Community shopping wish list services | Shopping | 1 |
| Wordstream Keyword Tool | Keyword suggestion service | Search | 1 |
| Wuala | Store and share files online | Storage | 1 |
| Xa.ly | URL shortener and monetizing service | Internet | 1 |
| Yahoo Contacts | Yahoo address book | Social | 1 |
| Yahoo Social Directory | Yahoo profile directory service | Social | 1 |
| Yahoo Spelling Suggestion | Spelling correction service | Reference | 1 |
| Yahoo Updates | Social network aggregation | Tools | 1 |
| Yandex | Russian search engine | Search | 1 |
| Yipit | Local coupon aggregation service | Shopping | 1 |
| Zixxo | Online coupons | Shopping | 1 |
| Zomato | India Restaurant and lifestyle guide | Food | 1 |
| Hoptoad | Application error notification service | Tools | 0 |
| Ordr.in | Restaurant E-Commerce System | Food | 0 |
| .NET Daily Fact | .NET daily fact widget | Internet | 0 |
| 100 Facts About Me | Fact sharing service | Social | 0 |
| 10x10 | Photo and news analysis service | Photos | 0 |
| 11870 | Spanish bookmarking and directory service | Search | 0 |
| 123 Shop Pro | Online shopping cart software | Shopping | 0 |
| 140 Proof | Twitter advertising service | Advertising | 0 |
| 18amail | Email marketing service | 0 | |
| 1DayLater | Business expense tracking tool | Enterprise | 0 |
| 2-WaySMS | SMS messaging service | Messaging | 0 |
| 2011 International Computational Billiards Championships | Computational billiards competition | Sports | 0 |
| 2Checkout | Ecommerce services | Shopping | 0 |
| 2GIS | Russian Search Service | Search | 0 |
| 30 Digits Web Extractor | Semantic web extraction tool | Internet | 0 |
| 360voice | XBox gamer profile data | Games | 0 |
| 3DArmory | World of Warcraft armory database | Games | 0 |
| 3dCart | Online shopping cart service | Shopping | 0 |
| 3defy | Online 3D modelling service | Photos | 0 |
| 3Jam | Reply-all text messaging service | Messaging | 0 |
| 3NGNetworks | VoIP services provider | Telephony | 0 |
| 3Scale Account Management | API management services | Tools | 0 |
| 3Scale Analytics | API management services | Tools | 0 |
| 3Scale Billing | API management services | Financial | 0 |
| 3scale Service Management | API management services | Tools | 0 |
| 3taps | Realtime search service | Search | 0 |
| 3TIER | Global wind and solar resource data | Weather | 0 |
| 43 Places | Social travel goals | Social | 0 |
| 46elks | Cloud communication platform | Telephony | 0 |
| 4PSA DNS Manager | DNS hosting service | Internet | 0 |
| 4PSA VoipNow | Integrated communications system | Telephony | 0 |
| 4Shared | File Sharing Service | File Sharing | 0 |
| 500px | Online community for photographers | Photos | 0 |
| 51.com | Social Network Data Access Service | Social | 0 |
| 511 Driving Times | San Francisco traveler information service | Travel | 0 |
| 511 Real-time Transit Departures | San Francisco traveler information service | Transportation | 0 |
| 5gig | Concert listing service | Music | 0 |
| 5Min Videopedia | Instructional video collection | Video | 0 |
| 5pm | Project and Time Management Tools | Project Management | 0 |
| 6rounds | Social entertainment platform | Social | 0 |
| 73s Ham Radio | Ham radio conversation logging service | Social | 0 |
| 80legs | Commercial web search services | Search | 0 |
| 88 Miles | Project time tracking services | Project Management | 0 |
| 90sec.tv | Embed videos on web sites | Video | 0 |
| A.nnotate | PDF, Word, or Web annotation service | Office | 0 |
| AAA Cooper Transportation | Trucking and shipping services | Shipping | 0 |
| Aadhaar UIDAI Authentication | Online authentication for Indian citizens | Government | 0 |
| abctext.com | SMS text messaging service | Messaging | 0 |
| AbleSMS | SMS integration service | Messaging | 0 |
| ABTXT | SMS gateway service | Messaging | 0 |
| Abundant AtomicClock | Atomic timekeeping service | Tools | 0 |
| Abundant Barnes & Noble Price | Book price retrieval service | Shopping | 0 |
| Abundant DeadOrAlive | Celebrity mortality status database | Entertainment | 0 |
| Abundant World Population | Population information service | Politics | 0 |
| Accumulus | Subscription billing service | Payment | 0 |
| AceProject | Project management enhancement service | Project Management | 0 |
| ACHWorks | Online transaction service | Payment | 0 |
| Acoustid | Audio fingerprinting service | Media Management | 0 |
| Active.com Camping | Access campground database | Travel | 0 |
| ActiveCampaign | Email marketing service | 0 | |
| ActiveCollab | Collaboration & Project Management System | Tools | 0 |
| activeRenderer | Outline publishing for Radio UserLand | Other | 0 |
| Activism Network Community | Online activism network and community | Events | 0 |
| Aculab Cloud | Cloud based telephony services | Telephony | 0 |
| AdamsNames Registration | Internet domain registration | Internet | 0 |
| adBrite | Online ad management service | Advertising | 0 |
| Add To Trip | Social trip planning service | Travel | 0 |
| AddressingHistory | Historical online mapping service | Tools | 0 |
| AddressTwo | Small business CRM service | Enterprise | 0 |
| AddToAny Menu | Online sharing tool | Social | 0 |
| Adegga | Social Wine Discovery service | Social | 0 |
| Adeptol CloudConnect | Online document viewer service | Tools | 0 |
| AdGooroo | Keyword search marketing platform | Advertising | 0 |
| Adigami Web Analytics | Web advertising analytics | Advertising | 0 |
| AdJuggler | Ad management service | Advertising | 0 |
| Adknowledge | Online advertising and marketing service | Advertising | 0 |
| ADL 3D Repository (3DR) | 3D model database | Database | 0 |
| AdmitPad | Academic admissions services | Enterprise | 0 |
| Admob | Mobile advertising service | Advertising | 0 |
| Adobe Feeds | Integrate Adobe feeds | Feeds | 0 |
| Adobe Wave | Desktop notification service | Utility | 0 |
| Adocu | Single word microblogging service | Blogging | 0 |
| Adriatic.hr | Croatian travel accommodations service | Travel | 0 |
| AdSpeed | Online advertising management services | Advertising | 0 |
| AdventureLink | Travel search and booking service | Travel | 0 |
| Adzerk | Online ad server service | Advertising | 0 |
| Aepona | Mobile cloud hosting service | Payment | 0 |
| Aerapay | Other | 0 | |
| AES WebLink | Shipment submission and inquiry services | Government | 0 |
| Affiliate Window Merchant | Affiliate and merchant transaction information retrieval service | Shopping | 0 |
| Affiliate Window ProductServe | Affiliate and merchant transaction information retrieval service | Shopping | 0 |
| Affilinet | European affiliate marketing network | Shopping | 0 |
| Aftermarket.pl | Internet domain marketplace | Internet | 0 |
| Agendize Analytics | Business conversion tools platform | Enterprise | 0 |
| Agendize Developers | Business conversion tools platform | Enterprise | 0 |
| Agendize Platform | Business conversion tools platform | Enterprise | 0 |
| Agent Storm | Real Estate systems connection | Real Estate | 0 |
| AgentFactor Travel | Travel booking service | Travel | 0 |
| Agile Bench | Agile project management tool | Project Management | 0 |
| AgileTask | Task tracking application for agile projects | PIM | 0 |
| AgileZen | Web based lean project management application | Project Management | 0 |
| Agree'nSign | Online electronic signature service | Enterprise | 0 |
| AHDS Identifier Resolver | UK electronic research data repository | Reference | 0 |
| AidData | Development finance data | Financial | 0 |
| AIDSinfo | Government info on HIV/AIDS treatment | Medical | 0 |
| Airbana | Airsoft event, map and pricing database | Other | 0 |
| Airbrake | Application errors tracking and reporting service | Tools | 0 |
| Airbrake Data | Application error reporting service | Tools | 0 |
| Airbreak Notifier | Application error aggregation service | Tools | 0 |
| Airport Status | Airport activity and weather information service | Transportation | 0 |
| AISpeech | Speech recognition service | Utility | 0 |
| Alagad Fortune | Random phrase retrieval service | Entertainment | 0 |
| Alameda County Service Provider | listings for social services in Alameda County (Oakland), CA | Government | 0 |
| Alaska Satellite Facility | Satellite data archive | Science | 0 |
| Albany eVERIFY | Payment verification service | Payment | 0 |
| AlchemyAPI Language Detection | Language detection and analysis tool | Tools | 0 |
| AlchemyAPI Text Categorization | Text analysis and categorization tool | Tools | 0 |
| AlertGrid | Monitoring and alert service | Telephony | 0 |
| AllAreaCodes | Area code lookup service | Reference | 0 |
| AllCDCovers | Music graphics service | Music | 0 |
| AllClients | Web Based CRM and Marketing System | Enterprise | 0 |
| Allegro | Online auction marketplace | Shopping | 0 |
| Allociné Movie | French-language movie and TV information service | Entertainment | 0 |
| Allogarage | French car dealership reviews and recommendations | Shopping | 0 |
| Aloqa | Mobile content publishing service | Other | 0 |
| Alpha Micro Systems | GPS tracking service | Transportation | 0 |
| Alpinaut | Adventure sport route sharing service | Sports | 0 |
| AlsaMarketing | Online marketing platform | Enterprise | 0 |
| AlterGeo | Local recommendation service | Social | 0 |
| Amadeus | Travel industry transaction processing service | Travel | 0 |
| Amadeus Cruise | Cruise line transaction processing service | Travel | 0 |
| Amazon DevPay License Service | Amazon web services licensing | Financial | 0 |
| Amazon DynamoDB | NoSQL database service | Database | 0 |
| Amazon SNS | Application notification service | Messaging | 0 |
| Amazonca | Online barcode database | Reference | 0 |
| Ambassador | Customer loyalty and reward platform | Other | 0 |
| American Bible Society BibleSearch | Bible access and search service | Reference | 0 |
| AmeriTrade | Stock trading and data services | Financial | 0 |
| AMEX OPEN Forum | Access small business content | Financial | 0 |
| Ami-Link Hide | Link hiding tool | Internet | 0 |
| Amiando | Events organizing and ticketing services | Events | 0 |
| Amnesty International | Database of censored sites and data | Other | 0 |
| AmphetaRate | News aggregator | News | 0 |
| Amsterdam Museum | Museum collection online | Education | 0 |
| Anatoa | Fraud protection service | Security | 0 |
| Anchor SMS Customer Management | SMS customer management service | Messaging | 0 |
| Angel OutBound | Interactive voice response platform | Telephony | 0 |
| Animoto | Video creation platform | Video | 0 |
| Ankoder | Video transcoding service | Video | 0 |
| aNobii | Book sharing service | Other | 0 |
| Answerbag | Questions and answers service | Answers | 0 |
| AnyClip | Video Clip Sharing Service | Video | 0 |
| AnyHub | File sharing service | Storage | 0 |
| AOL Calendar | Online calendar service | Calendar | 0 |
| AOL Journals | Blogging platform | Blogging | 0 |
| AOL Presence | Online presence service | Chat | 0 |
| Aonaware CountCheatService | Solutions to anagram problems | Games | 0 |
| Apertium | Translation Service | Tools | 0 |
| API.LEIPZIG | Leipzig city data | Government | 0 |
| Apideo | Video streaming service | Video | 0 |
| Apigee OAuth | OAuth authentication across several APIs | Security | 0 |
| APInbox | Incoming emails to web service | 0 | |
| ApnaCircle | Business and career networking site | Social | 0 |
| Appbistro | Software marketplace for Facebook apps | Social | 0 |
| AppDirect | Web based software marketplace | Internet | 0 |
| appFigures | Sales Reporting and Analytics for iTunes Apps | Tools | 0 |
| Appinions | Opinion aggregation platform | Recommendations | 0 |
| Apple iCloud | Cloud storage service | Storage | 0 |
| AppleTree | Family tree service | Other | 0 |
| Approver | Services for document approval and review | Other | 0 |
| AppsGeyser | App creation platform | Tools | 0 |
| AppShore | Small business CRM service | Enterprise | 0 |
| AppspotImage | Image manipulation service | Photos | 0 |
| Apsalar ApScience | Mobile analytics platform | Enterprise | 0 |
| Apstrata | Client2Cloud application service | Storage | 0 |
| aql | SMS solutions portal | Messaging | 0 |
| aql vCard | Business card generator services | Enterprise | 0 |
| ArchiDev Validator | Email and URL validation tool | Tools | 0 |
| Archimedes Project Donatus | Morphological analysis data service | Science | 0 |
| ARCS | Application resource control service | Security | 0 |
| Are My Sites Up? | Website uptime monitoring service | Internet | 0 |
| Are You Watching This | Algorithms identify in-progress, exciting sporting events | Sports | 0 |
| Argos Affiliate | Affiliate management service | Tools | 0 |
| Aria | CRM and other business applications | Enterprise | 0 |
| ARIN Whois | Interent registry access service | Internet | 0 |
| Articulate Online | Hosted e-learning service | Education | 0 |
| ArtistData | Artist information retrieval service | Music | 0 |
| Artsicle | Art discovery and rental service | Other | 0 |
| Ask SciPy | Collaborative question and answer software | Answers | 0 |
| Ask Sponsored Listings | Search engine marketing service | Advertising | 0 |
| Ask500People | Crowdsource polling service | Answers | 0 |
| AskGeo | Time zone reference service | Mapping | 0 |
| Aspect Search | Hosted search services | Search | 0 |
| ASPECT Vocabulary Bank for Education | Education vocabulary controlled lists | Reference | 0 |
| Assembla | Online project collaboration service | Project Management | 0 |
| Assistly | Online helpdesk tool | Enterprise | 0 |
| Associated Press | News database | News | 0 |
| AssureSign | Web-based E-signature service | Enterprise | 0 |
| AT&T Device Capabilities | Mobile device identification service | Telephony | 0 |
| AT&T Location | Location based services | Telephony | 0 |
| AT&T Notary Management | Digital signature service | Security | 0 |
| AT&T Payment | Payments service | Payment | 0 |
| AT&T SMS | SMS/MMS service | Telephony | 0 |
| AT&T Synaptic Compute | Cloud computing services | Internet | 0 |
| AT&T Synaptic Storage | Cloud storage service | Storage | 0 |
| AT&T WAP Push | WAP Push service | Telephony | 0 |
| Atlas | Audio and video metadata index | Reference | 0 |
| AtlasCT Geo-Services | Maps and location-based services | Mapping | 0 |
| AtlasCT Location-Based Services | Location-based services | Mapping | 0 |
| AtlasCT Mobile Maps | Maps and GPS navigation | Mapping | 0 |
| AtlasCT Places & Check-in | Places and location check-in | Mapping | 0 |
| AtlasCT Static Map | Maps and geo-location content | Mapping | 0 |
| AtlasCT Web Maps | Maps and location-based services | Mapping | 0 |
| Atlassian Bitbucket | Online distributed version control service | Internet | 0 |
| Atlassian Crowd | Single Sign On service | Security | 0 |
| Atomic Reach | Social publishing platform | Internet | 0 |
| AtTask | On demand project management software | Project Management | 0 |
| AttendStar | Online event ticketing and promotion service | Events | 0 |
| AuctionInc Shipping | Shipping rate service | Shipping | 0 |
| Auctiva Marketplace Platform | Marketplace platform for eCommerce applications | Shopping | 0 |
| Audiobaba | Music search and recommendation engine | Music | 0 |
| Audioboo | Audio sharing platform | Messaging | 0 |
| AudioBox.fm | Cloud-based audio management | Music | 0 |
| AudioMicro | Stock music and sound effects provider | Music | 0 |
| Audiosocket MaaS | Music licensing agency | Music | 0 |
| AuraLink | Online video conferencing service | Video | 0 |
| Australian Bureau of Meteorology | Austrailian weather report and forecast service | Weather | 0 |
| AuthDog | Authentication creation service | Security | 0 |
| AuthorityLabs Account | SEO Rank checking service | Internet | 0 |
| AuthorityLabs Partner | SEO Rank checking service | Internet | 0 |
| authorSTREAM | Powerpoint sharing service | Office | 0 |
| Auto Follow Friday | Twitter contact listing service | Social | 0 |
| AutoAppMart | In-car application marketplace | Reference | 0 |
| Automeme | Automated meme generator | Internet | 0 |
| Avacaster | Event Management for Avacaster webservice | Events | 0 |
| Averitt | Freight transportation services | Transportation | 0 |
| Aviary Mobile | Mobile image editing service | Photos | 0 |
| AVIN | Wine tracking number repository | Food | 0 |
| AWeber Email Marketing | Email Marketing Service | Advertising | 0 |
| AWS Identity and Access Management | User management service for AWS | Other | 0 |
| Axeda | Machine to machine application platform | Enterprise | 0 |
| Örebro kommun | Örebro kommun information | Government | 0 |
| b2go | URL shortening service | Internet | 0 |
| B54.in | URL shortening service | Internet | 0 |
| Baba change | Photo sharing Service | Photos | 0 |
| Babbl.me | Twitter long post service | Social | 0 |
| babyTEL Telephone | Mobile voice message and instant message service | Telephony | 0 |
| Backlog | Project management software | Project Management | 0 |
| Backstop | Alternative asset management software | Other | 0 |
| Baconfile | Web based file storage interface for Amazon s3 | Storage | 0 |
| Badgeville | Customer loyalty and reward platform | Social | 0 |
| Baidu | Online marketing service | Advertising | 0 |
| Baltimore Open311 | Neighborhood public issue reporting tool | Government | 0 |
| Banckle | Online business collaboration service | Social | 0 |
| Bango Analytics | Mobile website analytics service | Tools | 0 |
| Bango Direct Billing | Mobile payment service | Payment | 0 |
| Bango Subscription Billing | Subscription billing service | Payment | 0 |
| Bango User Information | User information retrieval service | Social | 0 |
| Bank Account Checker | Bank account verification service | Financial | 0 |
| BankCard Central VERePay | eCommerce gateway | Payment | 0 |
| BankCheck | Online bank account validation | Financial | 0 |
| BankHolidays | Swedish banking holiday lookup service | Reference | 0 |
| BankLZ | German bankcode lookup service | Reference | 0 |
| BankVal International | IBAN and SWIFT validation services | Financial | 0 |
| Banta | Socialised Media Platform Service | Social | 0 |
| Bantam Live | Social CRM tools | Enterprise | 0 |
| BarCode Generator | Barcode creation service | Tools | 0 |
| Barcode Scanner | Barcode scanning service | Tools | 0 |
| Barcodesoft | Bar code generating service | Utility | 0 |
| Basic Local Alignment Search Tool | Genome database search tool | Reference | 0 |
| Baskytara | Bass guitar web portal | Music | 0 |
| BatchGeo | Online mapping service | Mapping | 0 |
| Battlefield 3 Stats | Battlefield 3 statistic reporting service | Games | 0 |
| Battlefield Bad Company Stats | Player Data and Statistics | Games | 0 |
| Baynote | Recommendations service | Recommendations | 0 |
| Bazaarvoice Platform | Social marketing platform | Social | 0 |
| BBS Scene | Bulletin board system services | Reference | 0 |
| BC Wireless | Wireless network community wiki | Internet | 0 |
| Beacon Push | Real-time push service | Tools | 0 |
| Beanstalk | Hosted subversion and storage service | Tools | 0 |
| BeeBole | Online timetracking application | Office | 0 |
| BeMac PayGate | Payment processing service | Financial | 0 |
| Benchmark Automotive Data | Automotive data and intelligence | Other | 0 |
| Benchmarkemail | Email Marketing API | 0 | |
| Bentio | Microblogging Service | Blogging | 0 |
| Berlin Open Data | Berlin data and information | Government | 0 |
| Bertram Books | UK book retailing service | Shopping | 0 |
| Best Buy BBYOpen BBYFeed | eCommerce shopping services | Shopping | 0 |
| Best Buy BBYOpen BBYOffer | eCommerce shopping services | Shopping | 0 |
| Best Buy BBYOpen BBYScan | eCommerce shopping services | Shopping | 0 |
| Best Buy BBYOpen Categories | Shopping categorization service | Shopping | 0 |
| Best Buy BBYOpen Commerce | eCommerce shopping services | Shopping | 0 |
| Best Buy BBYOpen Reviews | Shopping reviews service | Shopping | 0 |
| Best Buy BBYOpen Stores | Retail store data | Shopping | 0 |
| BestParking | Paid parking location service | Travel | 0 |
| BetaEasy | Customer feedback and beta management service | Internet | 0 |
| Betaface | Face detection and recognition service | Photos | 0 |
| BetaSignal | News aggregator | Feeds | 0 |
| BetterEncoding | Video encoding software | Video | 0 |
| Betwext Broadcast | SMS messaging service | Messaging | 0 |
| Betwext Remind | SMS reminder service | Messaging | 0 |
| BF2S | Battlefield 2 gamers services | Games | 0 |
| Bible Lookup | Bible lookup service | Other | 0 |
| Bible.org | Bible passage access | Reference | 0 |
| bicingwatch | Listing and mapping public cycling stations | Sports | 0 |
| bidStart | Online collectibles marketplace | Shopping | 0 |
| Big Cartel | Shopping cart service | Shopping | 0 |
| Big Contacts | Web based contact management | Office | 0 |
| BigCommerce | Ecommerce platform for building online stores | Shopping | 0 |
| BigDoor | Add game mechanics to your site | Other | 0 |
| BigOven Recipe | Recipes, grocery list, and nutrition API | Food | 0 |
| Bikko | Bicycling hobbyist training and social site | Sports | 0 |
| Bill.com | Store, approve and pay bills online | Financial | 0 |
| Billeo Active eWallet | Online payments management service | Payment | 0 |
| billFLO Seller | Invoice management service | Financial | 0 |
| Bim.im | URL shortener with stats | Tools | 0 |
| Bing Maps Spatial Data Services | Mapping geospatial data service | Mapping | 0 |
| Bing Static Maps | Bing static map creation service | Mapping | 0 |
| BioCatalogue | Life sciences web registry service | Reference | 0 |
| BioLabeler | Library of Medicine text extractor and indexing engine | Medical | 0 |
| BiologicalNetworks | Biological pathways analysis and visualization service | Science | 0 |
| BioMOBY | Plant genome reference service | Reference | 0 |
| Biomolecular Interaction Network Database | Biomolecular database | Reference | 0 |
| Bistip | Travel and purchase service | Travel | 0 |
| Bitacoras.com | Spanish social blog network | Blogging | 0 |
| Bitcoin Charts / Markets | Bitcoin market data service | Payment | 0 |
| BiteHunter | Dining Deals Search Service | Shopping | 0 |
| Bitl.in | URL shortening service | Internet | 0 |
| Bitlan | URL shortening tool | Utility | 0 |
| Bitrix Platform | Online web design platform | Internet | 0 |
| Bitsmash | BitTorrent statistics service | File Sharing | 0 |
| Bitsnbobs | UK online marketplace | Shopping | 0 |
| BitTrust | Internet commodity trading service | Financial | 0 |
| Bizo BizAudience | Internet business traget service | Other | 0 |
| bkkeepr | Book reading social services | Social | 0 |
| Black Country History | UK museum and history information service | Education | 0 |
| Blackboard Collaborate | Online learning platform | Education | 0 |
| Blake.lt | Lithuanian microblogging service | Blogging | 0 |
| BLAM Ads | Content locking advertising service | Advertising | 0 |
| BlastCasta Feed | RSS feed management and filtering service | Feeds | 0 |
| Blekko | Search engine | Search | 0 |
| Blellow | Microblogging platform and social network | Social | 0 |
| Blesta | Billing Service | Financial | 0 |
| BlinkCampaign | Social Media and Email Marketing platform | 0 | |
| BlinkSend | Online document sharing service | File Sharing | 0 |
| Blipea | Hispanic micro-blogging service | Blogging | 0 |
| blippr | Recommendations service | Recommendations | 0 |
| Blippy | Social spending service | Shopping | 0 |
| Blipscape | Mobile location based content feed service | Feeds | 0 |
| Blizzard Community Platform | World of Warcraft community | Games | 0 |
| Blobbr | Social polling service | Social | 0 |
| Block Disposable Email | Detect spam email service | 0 | |
| Blockchain Block Explorer | Bitcoin and block chain information service | Financial | 0 |
| BlockChalk | Local community social space | Social | 0 |
| BlogCatalog | Blog directory and community | Blog Search | 0 |
| BlogPingr | Blog ping service | Blogging | 0 |
| BlogSpam.net | Detection for Blog & Forum SPAM | Security | 0 |
| Blogwise | Blog and feed search service | Blog Search | 0 |
| BloXoo | Blogging platform | Blogging | 0 |
| Blubrry | Media hosting service | Media Management | 0 |
| Blueding | Mobile downloading service | Other | 0 |
| BlueFolder | service management software | Enterprise | 0 |
| BlueKai | Data management platform and services | Enterprise | 0 |
| BlueMailCentral Postal | Digital mail service | Utility | 0 |
| BlueMelon | Photo sharing and storage service | Photos | 0 |
| BlueService | Field service management | Enterprise | 0 |
| BlueVia Advertising | Mobile advertising platform | Advertising | 0 |
| Bluevia Location | Mobile geolocation service | Telephony | 0 |
| Bluevia MMS | Two way MMS service | Telephony | 0 |
| Bluevia Mobile Payment | Telephony payment service | Payment | 0 |
| BlueVia SMS | Two-way SMS service | Telephony | 0 |
| BlueVia User Context | Location and mobile user information service | Telephony | 0 |
| Blurb | Social book publishing platform | Social | 0 |
| Bluyah | Data transformation service | Tools | 0 |
| BMAT | Music search and recommendation service | Music | 0 |
| BMBets | Sports gambling service | Sports | 0 |
| Bnter | Social conversation service | Social | 0 |
| BO.LT | Webpage Sharing Service | Bookmarks | 0 |
| BodyMedia | Fitness tracking service | Sports | 0 |
| BOKU | Mobile payments service | Payment | 0 |
| Boldchat | Online chatroom services | Chat | 0 |
| Boliven | Online repository of medical device information | Medical | 0 |
| Boliven Patents | 100 million Patent and Scientific documents | Reference | 0 |
| Boliven Publications | Patent and scientific document portal | Reference | 0 |
| Bonanzle | Interface with online marketplace | Shopping | 0 |
| Bongo | Iowa cities transit data | Transportation | 0 |
| Bontq | Bug and issue tracking service | Tools | 0 |
| Boo-box | Recommendation service | Recommendations | 0 |
| Book Glutton | Convert HTML to EPUB | Utility | 0 |
| BookingSync | Vacation Rental Booking Service | Travel | 0 |
| BookIt | Travel booking services | Travel | 0 |
| Bookshare | Accessible Books For Readers with Print Disabilities | Reference | 0 |
| Bookworm ePub Reader | Online book management service | Other | 0 |
| Boomi AtomSphere | Application integration platform | Internet | 0 |
| Boomloop | Local events and community | Events | 0 |
| Bordom RPC (BRAX) | Crowd-sourced strange news service | Blogging | 0 |
| BotPlatform | Development platform for IM robots | Chat | 0 |
| BotScout | Bot detection service | Security | 0 |
| Boundary | Real-time cloud environment monitoring service | Utility | 0 |
| Bountii Price Search | Electronics and appliances price comparison service | Shopping | 0 |
| Bowker Book Metadata Service | Book descriptive metadata service | Shopping | 0 |
| Boxcar | Social messaging aggregation service | Social | 0 |
| Boxee | Media center service | Video | 0 |
| Boxoh | Package tracking service | Shipping | 0 |
| br.st | Twitter web based client, url shortener and image sharing | Social | 0 |
| Brain Maps | Brain section images | Reference | 0 |
| Braineos | Flashcards and learning games service | Education | 0 |
| BrainHoney | Virtual learning management system | Education | 0 |
| Braintree | Online payment processing service | Payment | 0 |
| Brazil CKAN | Brazil open government data | Government | 0 |
| Brazilian Election Candidates | Brazilian election candidate information service | Government | 0 |
| Breadcrumbs | GPS data sharing service | Mapping | 0 |
| BrickFTP | Hosted FTP/file sharing service | File Sharing | 0 |
| Brightcloud | Website filtering data service | Security | 0 |
| Brightcove Player | Video publishing service | Video | 0 |
| Brighter Planet Climate Data | Reference data (e.g. zip codes, airlines, automobiles) | Other | 0 |
| BrightFuse | Networking community and job resource | Social | 0 |
| BriteVerify | Realtime email data verification | 0 | |
| British Museum | Museum linked data service | Education | 0 |
| Bronto | Email marketing service | 0 | |
| Brown Paper Tickets | Events Listing and Ticketing Service | Events | 0 |
| BrowserID | Website sign in service | Internet | 0 |
| Browsershots | Web site compatibility testing service | Internet | 0 |
| Browshot | Screenshot and website sizing and testing service for multiple devices | Utility | 0 |
| BTBuckets | Personalization and behavior targeting tool | Tools | 0 |
| btexty | Text messaging service | Messaging | 0 |
| Buddycloud | Social location service | Social | 0 |
| buddyfetch | Social network search engine | Social | 0 |
| BudURL | URL shortening service | Internet | 0 |
| BudURL.Pro | URL shortening service | Internet | 0 |
| Bueda | Semantic analysis for user tags | Social | 0 |
| Buffer | Tweet management and scheduling service | Social | 0 |
| BugHerd | Website bug tracking service | Other | 0 |
| BuiltWith | Website information service | Internet | 0 |
| BulkSMS | Global SMS messaging | Messaging | 0 |
| Bullhorn Staffing | Job recruiting info service | Job Search | 0 |
| Bullseye Lead Manager | Lead capturing and management service | Enterprise | 0 |
| Bullseye Store Locator | Store location search service | Shopping | 0 |
| Bullseyehub | Event promotion service | Events | 0 |
| Bums.se | Photo sharing and storage service | Photos | 0 |
| Bunchball | Multiplayer game platform | Games | 0 |
| Bundle | Money managing community and service | Financial | 0 |
| Bunker App | Project management platform | Project Management | 0 |
| Burning Man | Event database | Events | 0 |
| burrp | Local business search service | Search | 0 |
| Burstly | Monetization platform for app developers | Advertising | 0 |
| BusinessRadar | Business deal listing service | Other | 0 |
| Buto.tv | Video hosting service | Video | 0 |
| Buxfer | Personal finance service | Financial | 0 |
| Buxter | Transfer money over Facebook | Payment | 0 |
| buy.at | Affiliate marketing service | Shopping | 0 |
| BuyDeals.in Local Deal | Local Group Buy Aggregation Service | Shopping | 0 |
| BuzzGame | Search based game | Games | 0 |
| Buzzzy | Google Buzz Search Engine | Search | 0 |
| BView | Local vouchers and offers | Shopping | 0 |
| Bview Content | Local business info service | Reference | 0 |
| Bview Local Search | Local retail search service | Shopping | 0 |
| Bview Promotion | Aggregate coupons for UK retailers | Shopping | 0 |
| ByVoice | Text to speech service | Utility | 0 |
| C24 Validation | SWIFT message validation service | Financial | 0 |
| Cacoo | Online flowcharting and diagramming service | Other | 0 |
| Cadmus | Social media stream management service | Social | 0 |
| CafeSpot | Social guide to cafes | Other | 0 |
| CakeEngine | Email Marketing Service | 0 | |
| CakeMail | Email marketing service | 0 | |
| Calameo | Document publication and sharing service | Internet | 0 |
| Calgoo | Online calendaring service | Calendar | 0 |
| California Race and Ethnic Population Projections | California race and ethnic population projection data | Government | 0 |
| Call me | Hide contact details on the internet | Security | 0 |
| Call-Em-All | Automated phone calling system | Telephony | 0 |
| Called.in Phone Verification | Phone number verification service | Telephony | 0 |
| Callfire Hosted Call Center | Call center agent service | Telephony | 0 |
| Callfire Voice Broadcast | Phone campaign service | Telephony | 0 |
| Callook | US amateur radio callsign lookup | Reference | 0 |
| CallWithUs | International phone callback service | Telephony | 0 |
| CallZing Voice Broadcast | Virtual call center service | Telephony | 0 |
| CalorieKing | Food information service | Reference | 0 |
| Cambrian House | Crowdsourcing service | Social | 0 |
| Cambridge University Library | Library catalog and services | Reference | 0 |
| CampaignCog | Email marketing campaign service | 0 | |
| Canada's Economic Action Plan | Information of Canadian government EAP | Government | 0 |
| Cancer Bioinformatics Infrastructure Objects | Cancer-related scientific information service | Science | 0 |
| Capsule CRM | Online CRM service | Enterprise | 0 |
| CaptChair | Image-based captcha service | Security | 0 |
| Carbon Calculated | Enterprise Carbon Management | Tools | 0 |
| CarJam | New Zealand car facts history service | Reference | 0 |
| Carloadboard | Vehicle transport load matching service | Transportation | 0 |
| Carpool2Camp | Carpooling service for transportation to camp | Transportation | 0 |
| CarQuery | Automobile information | Reference | 0 |
| Cart2Cart | Shopping cart migration service | Shopping | 0 |
| CartoDB | Geospatial data and map creation service | Mapping | 0 |
| CarTrawler Accelerate | Car rental service | Transportation | 0 |
| Cashboard | Financial and time tracking service | Enterprise | 0 |
| Castilla-La Mancha | Spain tourism information service | Travel | 0 |
| CasualCafe | Flash games provider | Games | 0 |
| CatalogWS | Academic library | Reference | 0 |
| Catch-A-Cab | Cab booking service | Transportation | 0 |
| Catch.com | Content capturing and notes application | PIM | 0 |
| Catchpoint | Web performance monitoring service | Enterprise | 0 |
| Catsone | Recruiting information service | Job Search | 0 |
| CBS Local Offers | Local Deals Listings | Shopping | 0 |
| CBSSports.com | Fantasy sports platform | Sports | 0 |
| CCHits | Creative Commons Music Podcasts Service | Music | 0 |
| CD Universe | Online CD and music retailing service | Music | 0 |
| CDC Wonder | CDC health statistics retrieval service | Medical | 0 |
| Cdyne | Data delivery services | Other | 0 |
| CDYNE 411 | Directory assistance service | Reference | 0 |
| CDYNE Demographics | Neighborhood level demographics service | Reference | 0 |
| CDYNE Email Verification | Email verification service | 0 | |
| CDYNE IP2Geo | Geolocate by IP address | Tools | 0 |
| Cdyne Notify | Create voice messages from text | Other | 0 |
| CDYNE Phone Verification | Phone number verification service | Security | 0 |
| CDYNE Postal Address Verification | Postal address verification service | Security | 0 |
| CDYNE Profanity Filter | Profanity filtering service | Security | 0 |
| CDYNE SMS Notify | SMS messaging service | Messaging | 0 |
| CEERN | Conservation and Environment Resource Database | Reference | 0 |
| Cellblock | Real-time Multimedia File Sharing | Media Management | 0 |
| Cellfire | Electronic coupon and discount service | Shopping | 0 |
| CellTrust | SMS messaging | Messaging | 0 |
| CensorNet Hosted Web Security | Web security service | Security | 0 |
| Centers for Disease Control (CDC) Content Syndication | Health information content syndication service | Medical | 0 |
| Centili | Mobile payments service | Payment | 0 |
| CentralDesktop | Online collaboration software | Enterprise | 0 |
| Cerego iKnow | Social cognitive learning service | Other | 0 |
| Cevir Turkish-English Dictionary | Turkish-English Dictionary look up service | Reference | 0 |
| Challenge.gov | Government challenge/solution platform | Government | 0 |
| Challonge | Tournament Management Tools | Sports | 0 |
| Chargify | Online recurring payments service | Payment | 0 |
| Charity Navigator | Search charity records | Other | 0 |
| chartbeat | Website analytics service | Internet | 0 |
| Chatterbox | Sentiment analysis and analytics service | Social | 0 |
| Chatterous | Group chat service | Chat | 0 |
| Checkfront | Booking management service | Enterprise | 0 |
| CheckIP | IP lookup service | Security | 0 |
| Checklist.com | Personal task list service | PIM | 0 |
| CheddarGetter | Subscription-based payment and management service | Payment | 0 |
| ChemBank | Biomedical database | Medical | 0 |
| Chemcaster | Cheminformatics management platform | Reference | 0 |
| ChemSpider | Chemical structure database | Science | 0 |
| Chicago Metropulse | Chicago quality of life data | Government | 0 |
| China Cancer Database | Chinese cancer information database | Medical | 0 |
| China Historical GIS | Chinese history and geography information service | Reference | 0 |
| China Mobile 139.com | Chinese social networking site | Social | 0 |
| China Web DB | Chinese internet information service | Wiki | 0 |
| Chinese Seal Chop Image | no longer available | Tools | 0 |
| ChristianChirp | Christian social networking service | Social | 0 |
| ChromA | Chromatography-mass spectrometry alignment service | Science | 0 |
| Chronicling America | Archive of US newspapers | News | 0 |
| Church Analytics | Web traffic analytics service | Internet | 0 |
| CIA.vc | Open Source Version Control Tools | Tools | 0 |
| CinchCast | Content sharing service | Social | 0 |
| Cincopa | Rich media website platform | Media Management | 0 |
| CinemaTorrents | Movie Torrent Search | Search | 0 |
| Cing | Deal and coupon service | Other | 0 |
| CIPRES | Supercomputing rescource | Internet | 0 |
| Cisco WebEx | Conferencing and collaboration services | Enterprise | 0 |
| CitedIn | PubMed citation tracking service | Search | 0 |
| CiteULike | Citation management service | Reference | 0 |
| Citrix Online GoToMeeting | Online meeting service | Enterprise | 0 |
| Citrix Online GoToTraining | Online training service | Enterprise | 0 |
| Citrix Online GoToWebinar | Web Conferencing | Enterprise | 0 |
| City of Boston Citizen's Connect | Boston residents reporting service | Government | 0 |
| City of Chicago Data Portal | Chicago datasets | Government | 0 |
| City of Edmonton Open Data Catalogue | City of Edmonton datasets | Government | 0 |
| City of Nanaimo | Nanaimo, B.C., datasets | Government | 0 |
| City of New Orleans | New Orleans city data | Government | 0 |
| City of Rennes | City of Rennes, France datasets | Government | 0 |
| City of St. Louis | City of St. Louis data | Government | 0 |
| City of Toronto: 311 | Toronto city government services | Government | 0 |
| CityBikes | Bike sharing network information service | Transportation | 0 |
| CityGroups | Local public directory | Reference | 0 |
| CityPockets | Daily deal and voucher aggregation service | Shopping | 0 |
| Civic Commons Marketplace | Open government data database and sharing platform | Government | 0 |
| Civic Footprint | Political geography lookup for Illinois | Government | 0 |
| Civicboom | News crowdsourcing platform | News | 0 |
| CKAN | Comprehensive Knowledge Archive Network | Reference | 0 |
| CKAN Czech Republic | Czech Republic open government data | Government | 0 |
| CKAN Ireland | Ireland open government data | Government | 0 |
| CKAN Italy | Italian open government data | Government | 0 |
| CKAN Norway | Norway open government data | Government | 0 |
| Clarabridge | Sentiment and text analytics software | Enterprise | 0 |
| Clarity Accounting | Online accounting service | Financial | 0 |
| Clarizen | Project management and collaboration platform | Project Management | 0 |
| Cleanify | Simplify Spotify shortened URLs | Tools | 0 |
| Clear Books | Online accounting service | Financial | 0 |
| Clearspring | Widget creation, distribution, and tracking services | Widgets | 0 |
| Cleartrip | Travel booking services | Travel | 0 |
| Cleartrip Hotel | Hotel booking service | Travel | 0 |
| Clearwire Location Platform | Location based tracking service | Telephony | 0 |
| Cleeng | Publisher Content Management & Sales Service | Tools | 0 |
| CleverReach | Email marketing and delivery service | 0 | |
| CleverSet | Recommendations service for eCommerce sites | Recommendations | 0 |
| Click.st | Social Media Marketing platform | Social | 0 |
| Click2mail | web-based email service | 0 | |
| ClickAider | PPC ad tracking service | Advertising | 0 |
| Clickatell FTP | SMS messaging services via FTP | Messaging | 0 |
| Clickatell SMPP | SMS messaging services via SMPP | Messaging | 0 |
| Clickatell SMTP | SMS messaging services via SMTP | Messaging | 0 |
| Clickatell XML | SMS messaging services | Messaging | 0 |
| ClickBank | Online retail outlet | Shopping | 0 |
| Clickmap | Usability analytics service | Internet | 0 |
| Clickworker | Crowdsourcing service | Social | 0 |
| ClicRDV | Calendar and Appointment Scheduling Software | Calendar | 0 |
| ClientBill | Online invoicing service | Office | 0 |
| ClinicalTrials.gov | Clinical trials database and registry | Medical | 0 |
| Cliqset | Social content sharing and discussion | Social | 0 |
| Cloud Assault | Website testing service | Internet | 0 |
| Cloudability | Cloud spend management and monitoring service | Internet | 0 |
| CloudApp | File sharing and cloud-based storage service | Storage | 0 |
| CloudCache | Cache in the cloud | Storage | 0 |
| CloudFactory | Virtual work service | Tools | 0 |
| CloudFlare Client Interface | Content delivery network | Internet | 0 |
| CloudFlare Hosting Provider | Content delivery network | Internet | 0 |
| Cloudkick | Cloud server monitoring tool | Internet | 0 |
| CloudMade Geocoding | Forward and Reverse Geocoding Service | Mapping | 0 |
| Cloudmade Leaflet | Interactive maps service | Mapping | 0 |
| CloudMade NavEngine | Driving directions service | Mapping | 0 |
| Cloudo | Web OS application development platform | Tools | 0 |
| CloudSigma | Cloud hosting services | Internet | 0 |
| CloudSponge Address Book | Address book contacts import service | Office | 0 |
| Cloudvox Digits | Telephone number look up service | Telephony | 0 |
| Cloudwords | Translation project management platform | Project Management | 0 |
| Club Texting | Sending and Receiving SMS | Messaging | 0 |
| cnFOL | Chinese microblogging service | Blogging | 0 |
| Co-op | Project time tracking and tasks | Project Management | 0 |
| CO2 Benchmark | CO2/greenhouse gas estimation service | Science | 0 |
| Cocoafish | Backend service for mobile applications | Tools | 0 |
| Codaset | Project management software | Project Management | 0 |
| Codebits | Codebits Conference Information Tools | Events | 0 |
| Codebump Zip Codes | Zip code look-up service | Tools | 0 |
| CodeMunch | Job listing platform | Job Search | 0 |
| CodeREADr | Barcode scanning service | Utility | 0 |
| CodeSnipp.it | Code sharing service | Internet | 0 |
| CodeStock 2011 | CodeStock event information | Other | 0 |
| CoffeeBean | Social media sales prospecting and relationship management service | Enterprise | 0 |
| Cofundos | Service and network for open source collaboration | Job Search | 0 |
| Cogent Mobile | Mobile voice CRM service | Office | 0 |
| Cogenz | Social bookmarking service | Bookmarks | 0 |
| Coghead | Web based development platform | Tools | 0 |
| Coginov | Information interpretation and analysis service | Tools | 0 |
| Cogmap | Org chart wiki | Wiki | 0 |
| Collective2 | Stock trading system automator | Financial | 0 |
| CollegiateLink | College student organization information service | Education | 0 |
| Colorado Marijuana Dispensaries | Marijuana dispensaries online communtiy | Other | 0 |
| Colorfy It | Website color analysis tool | Internet | 0 |
| ColoRotate | Integrate 3D colors to your website or blog | Tools | 0 |
| Colr.org | Color and color scheme service | Other | 0 |
| Comic Vine | Comic book reference database | Other | 0 |
| Comindwork | Online project collaboration service | Project Management | 0 |
| commandlinefu.com | Command line retrieval service | Internet | 0 |
| CommonTimes | Community based media distribution | Other | 0 |
| CommuniCart | eCommerce store creation services | Shopping | 0 |
| CommuniCart Customer Service | eCommerce store creation services | Shopping | 0 |
| Community Megaphone | Event listing service | Events | 0 |
| Company Data Trees Mobile Website Detection | B2B marketing analysis service | Utility | 0 |
| Company Data Trees Parked Domain | B2B marketing analysis service | Internet | 0 |
| Company Wizard Open Point | Electronic company formation services | Enterprise | 0 |
| CompareDownload | Online music download store | Music | 0 |
| Compass: Business Data | Business marketing database | Enterprise | 0 |
| CompletelyPrivateFiles | Data encryption service | Security | 0 |
| Complexity Intelligence Markup Cleaner | HTML markup cleaning service | Tools | 0 |
| Complexity Intelligence Part Of Speech Tagging | Semantic tagging webservice | Tools | 0 |
| Complexity Intelligence Spell Checker | Spelling correction and recommendation service | Reference | 0 |
| ComplexityIntelligence Named Entity Recognition | Text analysis and extraction tool | Tools | 0 |
| Comprehensive Knowledge Archive Network | Community driven open knowledge database | Reference | 0 |
| ComputerSniffer | Web page ranking service | Internet | 0 |
| Conductrics | Agent-based optimization services | Internet | 0 |
| Conduit | App publisher tools | Tools | 0 |
| Conferma Booking | UK travel booking and reconciliation service | Travel | 0 |
| Conferma CSP On-Demand | UK travel booking service | Travel | 0 |
| Connect2Field | Scheduling app | Office | 0 |
| Connection Software Ringtone | Ringtone upload service | Telephony | 0 |
| Connection Software SMS | Bulk SMS messaging service | Messaging | 0 |
| Connexions | Educational materials repository | Education | 0 |
| Conservation Scorer | Homologous protein sequence similarity calculator | Science | 0 |
| Console.fm | Electronica music streaming service | Music | 0 |
| ConstantContact | Email marketing service | 0 | |
| Contact Hero | CRM services | Enterprise | 0 |
| Contactology | Best Email Marketing API | 0 | |
| Context Voice | Social conversation aggregator | Social | 0 |
| ContractPal | Electronic signature and document automation service | Enterprise | 0 |
| Conversions | Online calculator and measurment converter | Reference | 0 |
| ConvertAPI Web2Image | Webpage to Image Conversion Service | Tools | 0 |
| ConvertAPI Web2PDF | Webpage to PDF Conversion Service | Tools | 0 |
| ConvertAPI Word2PDF | Word document to PDF file conversion service | Tools | 0 |
| ConvertAPI Xps2PDF | Xps document to PDF file conversion service | Tools | 0 |
| Convio | Non profit online fundraising | Other | 0 |
| Convore | Real-time group chat application | Chat | 0 |
| CoolStreaming | Online streaming video service | Video | 0 |
| Copac | Search UK libraries | Search | 0 |
| Copy2Contact | Online contact entry and data parsing service | Internet | 0 |
| Copyscape | Content theft prevention service | Other | 0 |
| Copyscape Premium | Online plagarism search service | Search | 0 |
| Copyto | Clever bookmarking service | Bookmarks | 0 |
| coRank | Distributed user reviews service | Social | 0 |
| CORDC HF RADAR Maps | Vector mapping service | Mapping | 0 |
| Cordurl | Geo coordinate translation service | Internet | 0 |
| CoreCommerce | eCommerce platform | Retail | 0 |
| Cornell eBird | Bird sighting and identification service | Science | 0 |
| Cortera | Business information and research data | Reference | 0 |
| Cortera Business Vitals | Basic company information web service | Reference | 0 |
| Cortera Credit Pulse | Credit check of businesses | Financial | 0 |
| Cortexica | Image recognition service | Photos | 0 |
| Coupa | e-procurement and expense management service | Enterprise | 0 |
| Cozimo | Online Image and Video Collaboration | Photos | 0 |
| cPath | Medical database lookup | Medical | 0 |
| cQuery | Online content parsing and extraction service | Feeds | 0 |
| CraftyClicks UK Postal Address Lookup | UK postcode lookup service | Reference | 0 |
| CrashPlan PRO | Online Backup Service | Storage | 0 |
| Crawlerinfo | Search bot and crawler information | Internet | 0 |
| Creately | Visual collaboration service | Social | 0 |
| CreateSurvey | Online survey creation service | Tools | 0 |
| Criteo | Distributed recommendation service | Recommendations | 0 |
| Crocko | File hosting and sharing service | File Sharing | 0 |
| crocodoc | Online document collaboration service | Internet | 0 |
| Crop PDF for Amazon Kindle | PDF cropping tool | Tools | 0 |
| CrossRef DOI Resolver | Persistent identifier resolver | Reference | 0 |
| CrowdFlower | Crowdsourcing Service | Other | 0 |
| Crowdin | Collaborative translation service | Other | 0 |
| CrowdSavings | Access to shopping deals | Shopping | 0 |
| CrowdTwist | Customer loyalty platform | Advertising | 0 |
| Crum.bs | URL shortening service | Internet | 0 |
| Cruvee Partner Link | Wine database update system | Advertising | 0 |
| Cruvee Social | Social media search for wine industry | Search | 0 |
| Cruvee Wine Search | Wine industry search service | Search | 0 |
| Crystal Semantics Content Categorization | Content categorization services | Advertising | 0 |
| CS50 HarvardEvents | Harvard Events Calendar | Events | 0 |
| CS50 HarvardMaps | Harvard Map Data | Mapping | 0 |
| CSRHUB | Corporate Social Responsibility ratings database | Reference | 0 |
| CSS Mania | CSS showcases | Other | 0 |
| CTA Customer Alerts | Chicago transit tracking service | Transportation | 0 |
| CubeTree | Social Business Platform | Social | 0 |
| Cubiculus | Lego instruction reference service | Games | 0 |
| CultClip | Product video services | Video | 0 |
| Culture Grid | UK cultural institution collection information service | Search | 0 |
| Cumulo Authorize | Authentication services | Security | 0 |
| CurdBee | Online billing software | Financial | 0 |
| Curebit | Customer sales referral service | Retail | 0 |
| Currency Rates | Currency rates for 115 countries | Financial | 0 |
| Curriculum U | K-12 Content Standards Database | Education | 0 |
| Custom Toll Free Search | Toll free number search service | Telephony | 0 |
| Cutcaster | Stock photography and images marketplace | Photos | 0 |
| CyberArmy | Online knowledge sharing community | Social | 0 |
| Cyc | Semantic meaning service | Reference | 0 |
| CycleStreets | Cycling route planning tool | Sports | 0 |
| CycloMedia GlobeSpotter | Local panoramic visualizations | Photos | 0 |
| Cypress Golf | Golf reservations system | Sports | 0 |
| cz.cc Domain Search | Search cz.cc domain names | Internet | 0 |
| D&B Direct | Commercial business information service | Reference | 0 |
| DAAS.com Cloud | Data center management and automation service | Internet | 0 |
| Dabbleboard | Online whiteboard for drawing and team collaboration | Enterprise | 0 |
| Daft | Irish real estate site | Real Estate | 0 |
| DailyBooth | Social photo sharing service | Photos | 0 |
| Dailymile | The Social Workout Platform | Sports | 0 |
| DailyTvTorrents | Television show torrent listings | Entertainment | 0 |
| Danbooru | Adult art database and forum tool | Social | 0 |
| DaoPay | Mobile payments service | Shopping | 0 |
| DAR.fm | Digital audio recording service | Music | 0 |
| Dash | In-car programmable GPS navigation system | Tools | 0 |
| DassMonarch GroundWork | Network monitoring service | Internet | 0 |
| Data Greater Manchester | Manchester, England open government data | Government | 0 |
| Data Science Toolkit | Open Source tools for science | Reference | 0 |
| Data Translation Web Service (DTWS) | Space physics data service | Science | 0 |
| Data.CookCountyIL.Gov | Cook County, IL government data | Government | 0 |
| Data.ed.gov | Education grant data | Education | 0 |
| data.gov.au | Australia government data | Government | 0 |
| data.gov.sg | Singapore government data | Government | 0 |
| Data.gov.uk | Public government database | Government | 0 |
| Data.Illinois.Gov | Illinois government data | Government | 0 |
| Data.Medicare.Gov | Medicare information and datasets | Medical | 0 |
| data.nasa.gov | NASA datasets | Science | 0 |
| Data.OK.gov | Oklahoma state government data | Government | 0 |
| Data.Oregon.Gov | Oregon state government data | Government | 0 |
| Data.Seattle.Gov | Seattle City Government data | Government | 0 |
| Data.Washington | Washington state data | Government | 0 |
| Data24-7 | SMS messaging / carrier / email / cnam lookup service | 0 | |
| Data8 Country Detection | Country mapping and geolocation service | Other | 0 |
| Data8 Credit Card Validation | Credit card validation service | Payment | 0 |
| Data8 Email Validation | Email validation service | 0 | |
| Data8 Goneaway Identification Web Service | Check last known address | Tools | 0 |
| Data8 Live Number Testing | Telephone validation service | Telephony | 0 |
| Data8 Mobile Validation | Cell phone number validation service | Telephony | 0 |
| Data8 Postcode Lookup | UK address lookup service | Search | 0 |
| Data8 Preference Services | Search marketing preference services | Telephony | 0 |
| Data8 Telephone Services | Integrate telephone services | Telephony | 0 |
| Data8 Unusable/Salacious Names | Identify unusable names | Tools | 0 |
| Database.com | Cloud Computing Database Service | Database | 0 |
| Datadotgc.ca | Canadian open government data | Government | 0 |
| DataFed WCS | Air quality data visualization service | Science | 0 |
| DataFeedFile.com | Comparison shopping service | Shopping | 0 |
| DataFeedFile.com XML | Comparison shopping service | Shopping | 0 |
| Datafiniti | Search engine for data | Search | 0 |
| DataGov.ru | Russian open government data | Government | 0 |
| Datahotell | Norway open government data | Government | 0 |
| DataLock Online Backup | Data backup and recovery | Storage | 0 |
| Datanest Fair-Play Alliance | Slovakia government data | Government | 0 |
| Datanibble | Quotes generator | Reference | 0 |
| DataONE | Biological research data repository | Science | 0 |
| DataOne VIN decoder | Vehicle specification data service | Transportation | 0 |
| DataSift | Real-Time Social Data Mining | Social | 0 |
| Datawitness | Electronic records archiving | Enterprise | 0 |
| Daum Cafe | Online community services | Social | 0 |
| Daum Calendar | Calendar services | Calendar | 0 |
| Daum Context Keyword | Contextual keyword extraction service | Tools | 0 |
| Daum Events | Movie and festival search service | Events | 0 |
| Daum Maps | Mapping services | Mapping | 0 |
| Daum Search | Search services | Search | 0 |
| Daum Shopping | Online shopping and product search service | Shopping | 0 |
| Daum Today | Micro blogging service | Blogging | 0 |
| Dave.TV | Video distribution network | Video | 0 |
| DaycareSocial | Daycare directory | Social | 0 |
| Daymet | Daily weather and climatological summary service | Weather | 0 |
| DbApi | Database management service | Database | 0 |
| DBpedia Spotlight | Semantic Text Annotation and Disambiguation | Reference | 0 |
| DC Master Address Registry | District of Columbia GIS/mapping service | Mapping | 0 |
| DEA Filter | Spam and email filter | Security | 0 |
| DEA Number | U.S. DEA controlled substance validation service | Government | 0 |
| Dealinium | Local deals aggregation service | Shopping | 0 |
| DealsGoRound | Online marketplace for daily deals | Shopping | 0 |
| Death Index | Access to the Social Security Death Index | Reference | 0 |
| Decibel | Music metadata provider | Music | 0 |
| Deduktiv ebaas distance | UK postcodes service | Reference | 0 |
| Deepdyve | Scientific and medical journals | Reference | 0 |
| DeepFitness | Fitness and nutrition article service | Sports | 0 |
| Deepwater Oil Reporter | Crowdsourcing Oil Reporting App | Tools | 0 |
| Defensio | Blog and social site spam prevention services | Security | 0 |
| Dehood | Location based application design service | Mapping | 0 |
| Delcampe | Auction Website | Shopping | 0 |
| Delivergo | Digital publishing service | Internet | 0 |
| Demandware Open Commerce | On demand eCommerce platform | Shopping | 0 |
| Denmark Web service | Denmark address and municipality services | Mapping | 0 |
| DesertHail Geodata Service | Geodata retrieval service | Mapping | 0 |
| DeskMetrics | Software use analytics service | Utility | 0 |
| Desktopify | Create desktop widgets | Widgets | 0 |
| Despatch Bay Parcel Service | Shipping Information, Labels, and Tracking Service | Shipping | 0 |
| Destinde | Travel information service | Travel | 0 |
| detectmyPhone | Smartphone setting dection service | Telephony | 0 |
| Deutsche Bahn Openbahn | German travel portal | Travel | 0 |
| Deutsche Telekom Conference Call | Conference call service | Telephony | 0 |
| Deutsche Telekom IP Location | Mobile geolocation service | Telephony | 0 |
| Deutsche Telekom Send SMS | short messaging service | Messaging | 0 |
| Deutsche Telekom Voice Call | Telephone network connection service | Telephony | 0 |
| Deutsche Telekom Voice Record | Voice message recording service | Telephony | 0 |
| Developer Garden ClickandBuy | Payment interface service | Payment | 0 |
| Developer Garden Cloud User Management | Cloud user management service | Internet | 0 |
| Developer Garden Scout24 | German marketplace service | Other | 0 |
| Developer Garden Voice Record | Voice recording service | Tools | 0 |
| developergarden.com | Telephony web services for voice and SMS | Telephony | 0 |
| DeviceMagic | Electronic form creation service | Telephony | 0 |
| DFT.BA | Link (URL) shortening service | Internet | 0 |
| Diabetic Complications Consortium | Diabetes and health care information service | Science | 0 |
| Dialawg | Secure conversation platform | Social | 0 |
| DIALIGN | Multiple protein and nucleic acid sequence alignment service | Science | 0 |
| Dialogue Bulk SMS | SMS messaging service | Messaging | 0 |
| Dictionary Definitions | Online dictionary | Reference | 0 |
| Dictionary.com | Dictionary lookup service | Reference | 0 |
| DIDWW | Phone and call forwarding service | Telephony | 0 |
| Diffbot Article | News article text extraction tool | Tools | 0 |
| Digest Report | Independent journalism website | News | 0 |
| Digimi Gizmo | 3D Avatar Creation Service | Games | 0 |
| Digital Music Engine | Music catalog and download service | Music | 0 |
| Digitaliser | Danish social networking site | Social | 0 |
| Diigo | Research bookmarking service | Bookmarks | 0 |
| Dilogs | Scuba dive tracking services | Sports | 0 |
| Din.gy | URL shortening service | Utility | 0 |
| Direct Leap Technologies | Campaign (phone, telemessaging) service | Telephony | 0 |
| Direct Textbook | Book price comparison service | Shopping | 0 |
| DirectGov syndication service | UK government content syndication service | Government | 0 |
| Directi | Domain registration and reselling | Internet | 0 |
| DirectLink Media Network | URL shortening service | Internet | 0 |
| Directory Maximizer Directory Submissions | SEO Link Building Service | Search | 0 |
| Directtrack | Affiliate marketing software platform | Advertising | 0 |
| Disposable E-Mail Address | Trash mail service | 0 | |
| Distribute.IT | SMS messaging service | Messaging | 0 |
| Dive.io | Online SCUBA Diving Logbook | Social | 0 |
| Divide-and-Conquer Multiple Sequence Alignment | Amino acid, RNA, or DNA sequence alignment service | Science | 0 |
| Divinity Shopping Cart | E-Commerce Shopping Cart Tools | Shopping | 0 |
| DivShare | Media hosting service | Media Management | 0 |
| DLESE | Digital Earth science library | Science | 0 |
| dlvr.it | Social media content syndication service | Social | 0 |
| DNS Made Easy | Internet domain hosting service | Internet | 0 |
| DNS Tools | DNS address resolving service | Tools | 0 |
| DNSimple | Domain management service | Internet | 0 |
| DocMail | Send physical postal mail via a webservice/website | Utility | 0 |
| DocRaptor | HTML to PDF/XLS Conversion Service | Office | 0 |
| Doctor Dial | Medical office appointment reminder & message service | Medical | 0 |
| Doctor.com | Physician search service | Search | 0 |
| Doculicious | Service for web forms with PDF output | Utility | 0 |
| DocumentCloud | Upload and Share Documents | News | 0 |
| DocVerify | E-signature and secure file storage service | Enterprise | 0 |
| Dojo Learning | Training eLearning services | Enterprise | 0 |
| DokDok | Email Attachment Management Service | Office | 0 |
| Dokiru | Social location based service | Social | 0 |
| Dolphin Dynamics | Travel industry transaction processing service | Travel | 0 |
| Domain | Domain registry and whois lookup service | Internet | 0 |
| Domainr | Domain name search service | Internet | 0 |
| DomainTools | Current & historical Whois and network data | Internet | 0 |
| Dominions Dice | Dice throwing service | Games | 0 |
| Done | Task Management Tool | PIM | 0 |
| Dooblet | Alternatives discovery services | Search | 0 |
| Doodle | Online polling service | Tools | 0 |
| Doris | Personal productivity and task management | PIM | 0 |
| Dossia | Health information aggregation service | Medical | 0 |
| DoStuffMedia | Music festival data lookup service | Events | 0 |
| Dot TK TweaK | URL shotening and lengthening service | Internet | 0 |
| dotMailer | Online marketing service integration | Advertising | 0 |
| DoubleClick | Online display ad service | Advertising | 0 |
| DoubleClick for Publishers | Advertising management service | Advertising | 0 |
| Doxument | Cloud based document conversion service | Tools | 0 |
| DreamHost | Web hosting service | Internet | 0 |
| DriveCast | Web based media management | Media Management | 0 |
| Dropcash | Fundraising tools | Other | 0 |
| Dropstr | Cloud management service | Other | 0 |
| Drumbone | US political data aggregated from multiple sources | Government | 0 |
| Dublin City Community Maps | Dublin amenities location service | Mapping | 0 |
| Duck Duck Go | Internet search engine | Search | 0 |
| Dun and Bradstreet WorldBase Marketing Plus | Business research services | Reference | 0 |
| DuoFactor | Web authentication service | Security | 0 |
| DuoShare Address Verification | US address verification service | Reference | 0 |
| DuoShare Job Submission | US address verification service | Shipping | 0 |
| Duracloud | Digital asset management service | Storage | 0 |
| durl.us | URL shortening service | Internet | 0 |
| Dwolla | Online payment processing service | Payment | 0 |
| Dydra | Cloud-based RDF store | Database | 0 |
| Dynadot | Internet domain name lookup and registration services | Internet | 0 |
| Dynamic Geometry | Mapping data service | Mapping | 0 |
| DynDNS | DNS update service | Internet | 0 |
| E*TRADE | Access to E*Trade services for applications | Financial | 0 |
| e-conomic | Online accounting software | Financial | 0 |
| E-xact | Online payment gateway provider | Payment | 0 |
| Earth Observing System | Earth observation data clearinghouse | Science | 0 |
| earthmine Direct Data | Programmatic access to street-level imagery | Mapping | 0 |
| earthmine Flash Viewer | Street-level imagery services | Mapping | 0 |
| Easy Antispam | Email spam services | 0 | |
| Easy Insight | SaaS based business intelligence service | Enterprise | 0 |
| EasyBib | Bibliography citation service | Bookmarks | 0 |
| EasyEthical | Ethical consumer guide | Shopping | 0 |
| EasyImg | Online image and graphics editing service | Tools | 0 |
| EasyLink WebServices | Business messaging and transaction services | Enterprise | 0 |
| Easyrec | Recommendation software | Recommendations | 0 |
| EasyToBook | Hotel Search and Booking Service | Travel | 0 |
| EB-eye Search | Lucene-based search services | Search | 0 |
| eBay Best Match | eBay search ranking analysis service | Search | 0 |
| eBay Feedback | eBay Seller Ratings monitoring service | Other | 0 |
| eBay Finding | eBay Search service | Search | 0 |
| eBay Merchandising | eBay item and product recommendation service | Shopping | 0 |
| eBay Resolution Case Management | eBay transaction complaint resolution management service | Other | 0 |
| eBay Shopping | eBay shopping service | Shopping | 0 |
| eBay Trading | eBay trading service | Shopping | 0 |
| EBI | Bioinformatics research database | Medical | 0 |
| eBibleicious | Bible lookup service | Reference | 0 |
| EC Navi BuzzURL | Bookmarking service | Bookmarks | 0 |
| Echo StreamServer | Real time content aggregation platform | Internet | 0 |
| ecofreek | Search engine for free or swap items | Search | 0 |
| Ecolabel Index | Ecolabel Database Tools | Reference | 0 |
| ecommstats | Web analytics | Internet | 0 |
| Econz Eservice | Job Management and Wireless Dispatch service | Enterprise | 0 |
| Econz Timecard | Mobile timesheet integration service | Project Management | 0 |
| Ecordia | Content optimization and text analysis service | Tools | 0 |
| eCourier | UK delivery services | Shipping | 0 |
| Ecwid Product | Ecwid Store Information Lookup | Shopping | 0 |
| EdgeCast CDN | Cloud hosting and storage service | Storage | 0 |
| Ediscio | Online Flashcard Learning Service | Education | 0 |
| EdisonAve Geocoder | Forward and Reverse Geocoding Service | Mapping | 0 |
| EditMe | Collaborative website and wiki service | Wiki | 0 |
| Editz | Crowd-sourced copy editing service | Internet | 0 |
| Edmunds.com Dealer | Vehicle dealer information | Database | 0 |
| Edmunds.com Inventory | Specific automobile information via VIN | Reference | 0 |
| edocr | Online document collaboration, storage, and publishing | Enterprise | 0 |
| Edtuit GeoPerks | Discount and reward display service | Shopping | 0 |
| Edupedia | Education wiki | Education | 0 |
| Einztein | Search API for Einztein Social Learning Network | Social | 0 |
| EklaBlog | French blogging service | Blogging | 0 |
| eKlima | Norwegian weather and climate data service | Weather | 0 |
| El Nuevo Dia APEX | Online newspaper | News | 0 |
| Elastic Email | Cloud email delivery service | 0 | |
| Elastic Server Manager | Virtual hosting services | Internet | 0 |
| ElasticHosts Cloud Computing | Cloud server hosting service | Internet | 0 |
| Electronic Merchant Systems | eCommerce Services | Payment | 0 |
| Elementool | Bug tracking tools | Tools | 0 |
| Elev.at | Text and Excel conversion to XML tool | Tools | 0 |
| eLink | CRM software | Enterprise | 0 |
| Eloqua | Automated marketing service | Enterprise | 0 |
| Elsevier Article | Scientific journals and articles search service | Reference | 0 |
| Email Address Validator | Email address validation service | 0 | |
| Email Data Source | Email marketing campaign management | 0 | |
| Email Yak | Web based email API | 0 | |
| Email2HTTP | Email delivery services | 0 | |
| Emailloop | Email marketing service | 0 | |
| EmailManager | Email marketing and CRM synchronization system | 0 | |
| eMarketeer | Marketing campaign tracking service | 0 | |
| Embedly | Rich media embed utility | Video | 0 |
| Emma | Email marketing service | 0 | |
| Emotional Cities | Art Project that Collects Data from an Emotional State Survey | Social | 0 |
| Empire 2.0 Tech Talk | Government technology discussion platform | Government | 0 |
| Empire Avenue | Virtual Investment Service | Financial | 0 |
| Employease | On-demand human resource management | Enterprise | 0 |
| eMusic | Music and Audiobook Search Service | Music | 0 |
| EncoderCloud | Video file encoding service | Video | 0 |
| Encoding.com | Video encoding service | Video | 0 |
| Encyclopedia of Life | Biology Encyclopedia | Reference | 0 |
| Engagd | Attention data management platform | Other | 0 |
| Engrade | Online Gradebook and Classroom Management service | Education | 0 |
| Eniro | Nordic business search directory | Search | 0 |
| Enole | Mobile Authentication Service | Security | 0 |
| eNom | Internet domain reseller | Internet | 0 |
| Enomalism | Elastic computing platform | Internet | 0 |
| Enstore | Custom Enstore Client Creation | Shopping | 0 |
| Enstratus | Cloud infrastructure management service | Enterprise | 0 |
| Entellium | CRM services | Enterprise | 0 |
| Entireweb | Web search service | Search | 0 |
| entreprise-facile | Create entreprise-facile automations and mashups | Enterprise | 0 |
| Envato | Digital goods marketplace | Shopping | 0 |
| Envolve | Web chat application | Chat | 0 |
| EPA Envirofacts | Environmental database | Science | 0 |
| EPA Project Catalog | EPA project information service | Science | 0 |
| EPA Station | Find EPA monitoring stations by geographic area | Science | 0 |
| ePages | Online business management service | Enterprise | 0 |
| eRepublik | Strategy game | Games | 0 |
| Ericsson 3D Landscape | 3D Landscape Tool | Mapping | 0 |
| Ericsson Async Voice | Online Voice/Text Chat/Conversation Service | Chat | 0 |
| Ericsson Captcha | Security and Advertisement Service | Security | 0 |
| Ericsson Cluster Constructor | Service for Finding Data Clusters in Submitted Datasets | Tools | 0 |
| Ericsson Converting Media | Media Conversion Tool | Video | 0 |
| Ericsson Event Source | Tool for Recieving Push Notifications/Events from a Server | Internet | 0 |
| Ericsson Mobile Identification | Mobile identification service | Telephony | 0 |
| Ericsson Mobile Java Communication Framework | Mobile communication service | Messaging | 0 |
| Ericsson Mobile Location | Mobile location tracking service | Telephony | 0 |
| Ericsson Mobile Maps | Mobile mapping service | Mapping | 0 |
| Ericsson Mobile Network Lookup | Network lookup service | Telephony | 0 |
| Ericsson SMS Send and Receive | SMS messaging service | Messaging | 0 |
| Ericsson Streaming Media | Streaming Media Status Tools | Video | 0 |
| Ericsson Text to Speech | Text to Speech Convering Service | Tools | 0 |
| Ericsson Web Connectivity | Webpage/Server Connection Tool | Tools | 0 |
| Ericsson Web Device Connectivity | Web Connection for UPnP/DLNA Devices | Tools | 0 |
| Ericsson Web Location | Web-based Positioning Service | Telephony | 0 |
| Ericsson Web Maps | Online mapping service | Mapping | 0 |
| Erply Inventory | Retail and ecommerce inventory and sales service | Retail | 0 |
| ERS/USDA Per Capita Food Availability Data | Food availability data | Food | 0 |
| Escapia Vacation Rental Network | Vacation rental booking | Travel | 0 |
| Esendex | Esendex Business SMS Text Messaging Service | Messaging | 0 |
| Esendex Spain SMS | Text messaging service | Telephony | 0 |
| ESHA Nutrition Database | Food product nutrition information service | Food | 0 |
| eSignal Market Data | Stock market data service | Financial | 0 |
| Estate++ | Virtual safe deposit box | Storage | 0 |
| eTapestry | Online fundraising platform | Financial | 0 |
| EU Latitude | Location Information Search Service | Search | 0 |
| Euro Web | European web hosting company | Internet | 0 |
| EuroCV | Online Curriculum Vitae service | Job Search | 0 |
| European Union Legislation | European Union legislative data service | Government | 0 |
| Europeana OpenSearch | European museum collection metadata | Education | 0 |
| Eventfinder | New Zealand events calendar | Events | 0 |
| Eventification | Social Event Site | Events | 0 |
| EveryBlock | Hyperlocal data and news aggregator | News | 0 |
| EveryScape | Visual, digital tour service | Other | 0 |
| EveryTrail | Travel experience platform | Travel | 0 |
| Eviscape | Information discovery network | Social | 0 |
| Evrythng | Online profiles for physical objects | Database | 0 |
| eWAY | Online payments gateway | Payment | 0 |
| ExactTarget | Email delivery services | 0 | |
| Examineurl Online Analysis | Website analytics and Intenet tools service | Tools | 0 |
| Exchangery Trading | Commodities exchange resource service and platform | Financial | 0 |
| Exosite | Cloud storage platform | Internet | 0 |
| Expensify Web Services | Expense Report Management Service | Financial | 0 |
| ExposureManager | Photograph sales service | Photos | 0 |
| Express Text | SMS marketing service | Messaging | 0 |
| ExtensionFM | Music discovery tool | Music | 0 |
| Extraterrestrial Embassy | Extraterrestrial sighting reporting service | Other | 0 |
| Eyewitness Guide to London | Travel guide to London | Travel | 0 |
| Ez Texting | SMS Text Messaging Services | Messaging | 0 |
| ezetop | Mobile phone top up service | Telephony | 0 |
| EzineArticles | eZine article database | Other | 0 |
| F My Life | Social blogging service | Blogging | 0 |
| F'n Lame URL Shortener | URL shortening tool | Internet | 0 |
| FAA Obstruction Evaluation | Aviation obstruction information service | Transportation | 0 |
| Faascape | API marketplace | Internet | 0 |
| Fabulous | Domain revenue generation service | Advertising | 0 |
| FaceCash | Mobile payment processing service | Payment | 0 |
| FaceDetection | Image recognition service | Photos | 0 |
| Factery | Search engine and meaning extraction service | Search | 0 |
| Factolex | Fact/Lexicon Database Service | Database | 0 |
| Factual Places | Open Data for sharing and reference tools | Mapping | 0 |
| FairLuck | Random number generator for casino software | Games | 0 |
| Fake Call | Telephone call service | Telephony | 0 |
| Fake Name Generator | Name generation service | Tools | 0 |
| Family Echo Family Tree | Family tree visualization for genealogy | Other | 0 |
| Family Photoloom | Family tree and photo service | Other | 0 |
| FamilySearch | Genealogical search and family tree service | Other | 0 |
| fanart.tv Music | Music fan art repository | Music | 0 |
| fanart.tv TV | TV and movie fan art repository | Entertainment | 0 |
| FanBridge | Customer engagement and reward service | Advertising | 0 |
| FanFeedr Image | Sports photos service | Photos | 0 |
| FAO Fisheries and Aquaculture Fact Sheets | Fisheries and aquaculture data service | Reference | 0 |
| fastDove | SMS Management Service | Telephony | 0 |
| Fasthosts Reseller Hosting | Online hosting service | Internet | 0 |
| fav.or.it | RSS reader and blog platform | Feeds | 0 |
| Faves.com | Social Bookmarking | Bookmarks | 0 |
| Fax Desk | Online faxing service | Fax | 0 |
| FAXAGE | Internet based fax service | Fax | 0 |
| FCC | U.S. Communications Data Service | Government | 0 |
| FeaturePics | Stock photography provider | Photos | 0 |
| FederalRegister.gov | Open source government data | Government | 0 |
| Fee Fighters Samurai | Payments gateway | Payment | 0 |
| FeedbackRoad | Customer feedback and idea management service | Tools | 0 |
| FeedBlitz | Blogs by email service | Blogging | 0 |
| Feedbooks | Mobile book and RSS services | Telephony | 0 |
| Feedcache | Feed caching service | Music | 0 |
| FeedFlow | Feed monitoring service | Other | 0 |
| Feedoor | Feed aggregator services | Feeds | 0 |
| Feedzilla | News feed aggregator | Feeds | 0 |
| Feedzz | RSS feed management and filtering service | Feeds | 0 |
| Feest.je | Netherlands-based location sharing service | Social | 0 |
| Fellowship One | Church database service | Other | 0 |
| Fenopy | Torrent sharing service | File Sharing | 0 |
| Festivalslab | Event information service | Events | 0 |
| fetchflow | Online invoicing and payment service | Enterprise | 0 |
| FFindr | Frisbee Finding Service | Sports | 0 |
| File MD5 | MD5 file hash service | Utility | 0 |
| Fileslap | File Sharing Service | File Sharing | 0 |
| FileSocial | Twitter file sharing service | File Sharing | 0 |
| Filmaster | Movie review and recommendation service | Recommendations | 0 |
| filtrbox | Social media monitoring | Social | 0 |
| Financial Content JavaScript Quote | Market data and stock quotes service | Financial | 0 |
| Financial Content Snapshot Quote | Stock quote service | Financial | 0 |
| Financial Content XML Quote | Stock and market price data service | Financial | 0 |
| FinCRN | U.S. SEC Edgar filings | Financial | 0 |
| Find That File | File type search engine | Search | 0 |
| Find your IP | Return IP address | Internet | 0 |
| Find Your MP- UK Parliament | UK MP search tool | Government | 0 |
| find2follow | Twitter follower search | Social | 0 |
| FindMeOn | Social site identity management services | Social | 0 |
| FindMeSpecials | Find local specials and events | Shopping | 0 |
| Finser | Financial tracking service | Financial | 0 |
| Firmwater | Learning management system | Education | 0 |
| First Data Global Gateway | Transaction processing and payment service | Payment | 0 |
| FirstGiving | Charitable donation processing service | Payment | 0 |
| Fishbowl | Inventory management service | Enterprise | 0 |
| FishingBuddy | Sport fishing and hunting community information | Sports | 0 |
| Fishup | Online photo sharing service | Photos | 0 |
| Fitbook | Fitness data recording and vizualization service | Other | 0 |
| Five9 | Call center management service | Enterprise | 0 |
| FiveFilters.org | Content extraction service | Tools | 0 |
| Fizber Events | Local events search services | Events | 0 |
| Fizber Schools | School finder service | Education | 0 |
| Flashcard Exchange | Online Flashcard Service | Education | 0 |
| Flattr | Content Sharing Service | Social | 0 |
| FlauntR | Photo editing service | Photos | 0 |
| FlexiScale | Virtual server hosting services | Internet | 0 |
| Flickr Real-Time | Realtime photo updates from Flickr | Photos | 0 |
| Flig.ht Data | Aviation and geo data service | Other | 0 |
| FlightAware | Live flight aircraft tracking | Travel | 0 |
| FlightCaster | Flight delay predictor | Travel | 0 |
| FlightLookup | Flight Schedules and Airport Lookup Service | Travel | 0 |
| FlightView | Live flight aircraft and delays tracking | Travel | 0 |
| Flightwise | Flight tracking service | Travel | 0 |
| Flingo | Video sharing service | Media Management | 0 |
| Fliptop | Social media profile service | Advertising | 0 |
| Flipzu | Broadcasting and sharing service | Tools | 0 |
| Flite Advertising | Cloud based advertising platform | Advertising | 0 |
| Flixya | Video, photo, and blog sharing platform | Social | 0 |
| Florist One | Flower sales and delivery | Shopping | 0 |
| flow.io | Project management service | Project Management | 0 |
| Flowdock | Team inbox with chat | Chat | 0 |
| FluidDB | Information Architecture & Database Service | Database | 0 |
| Fluidinfo | Online storage and search platform for metadata | Search | 0 |
| FluidSurveys | Online Survey Tools | Tools | 0 |
| FluidVM | System Tools and Management Service | Tools | 0 |
| Flukso | Electricity metering service | Tools | 0 |
| Flux | Social networking platform from Viacom | Social | 0 |
| Fluxiom | Online File Storage and Management | Storage | 0 |
| Flyhour | Random video discovery service | Video | 0 |
| FlyOnTime | Flight time and delay resource | Travel | 0 |
| Fog Creek FogBugz XML | Bug tracking software | Tools | 0 |
| Fog Creek Kiln | Code review tool | Tools | 0 |
| Foldier | Personal online file sharing and mangement | File Sharing | 0 |
| Foller.me | Twitter user information service | Social | 0 |
| follow cost | Find the follow cost of a Twitter account | Social | 0 |
| Fonolo | Call center menu bypass services | Telephony | 0 |
| Font Squirrel | Font retrieval and generation service | Other | 0 |
| Fonts.com | Font and web font service | Other | 0 |
| Fonxvard | Image manipulation service | Photos | 0 |
| Food Candy | Social site for foodies | Food | 0 |
| Food Genius | Restaurant and food data | Food | 0 |
| Foodspotting | Food review and sharing service | Food | 0 |
| FoolDNS | Online privacy protection service | Security | 0 |
| Footfeed | Geolocation checkin service | Social | 0 |
| Footprint Services | Astronomy observation database and visualization service | Science | 0 |
| Footprints | Community funding service | Social | 0 |
| Foreca | Weather forecasting service | Weather | 0 |
| ForeclosureListings.com | Real estate foreclosures | Real Estate | 0 |
| Forex | Foreign exchange retail trading service | Financial | 0 |
| Form CheckUtils | Form field validation tool | Tools | 0 |
| FormLizard | Form completion service | Tools | 0 |
| FormSite | Online html forms and web survey builder | Internet | 0 |
| Formspring | Q&A social network | Answers | 0 |
| Fortumo Mobile Payments | Mobile payment platform | Payment | 0 |
| Fortune3 Shopping Cart | eCommerce platform | Shopping | 0 |
| Fotki | Photo sharing service | Photos | 0 |
| Fotobabble | Talking photo service | Photos | 0 |
| FotoFlexer | Online image editor | Photos | 0 |
| Fotomoto | Image marketplace service | Photos | 0 |
| foursquare Merchant | foursquare merchant platform | Shopping | 0 |
| Foxcentral News Service | Programming language news service | News | 0 |
| FoxyCart | Shopping Cart Service | Shopping | 0 |
| Fractal | HTML email validation and fixing service | 0 | |
| Framesocket | Video management and publishing platform | Video | 0 |
| Franglo | European classifieds service | Shopping | 0 |
| FraudLabs AreaCodeWorld NPA NXX Area Code | Geographical location service | Reference | 0 |
| FraudLabs BrowserObject Browser Detection | Browser information detection service | Internet | 0 |
| FraudLabs Credit Card Fraud Detection | Credit card verification service | Security | 0 |
| FraudLabs IP2Location | Geolocate by IP address service | Tools | 0 |
| FraudLabs IP2Proxy | Annymous proxy detection service | Security | 0 |
| FraudLabs MailBox Validator | Email address validation service | 0 | |
| FraudLabs Mexico Postal Code | Mexican postal code geolocation service | Mapping | 0 |
| FraudLabs ZIPCodeWorld United States | United states postal code geolocation service | Tools | 0 |
| Freak CMS User-agents | User Agent checking service | Security | 0 |
| Freckle | Time tracking service | Project Management | 0 |
| FRED | US Federal Reserve Economic data | Government | 0 |
| Free Music Archive | MP3 archive | Music | 0 |
| FreeAgent | Accounting application services | Enterprise | 0 |
| FreebieSMS Auto Dialer | Send audio messages to phones | Telephony | 0 |
| FreeCovers.net | Album cover archive | Music | 0 |
| Freedb / CDDB | Online CD catalog service | Music | 0 |
| FreedomSpeaks | United States political data lookup | Government | 0 |
| Freelancer | Job search and recruiting service for freelancers | Job Search | 0 |
| freerisk | Risk modeling service | Enterprise | 0 |
| Freesound | Music and sound search service | Music | 0 |
| Freespree | Call tracking and pay-per-call service | Telephony | 0 |
| Freewebs | Web publishing platform | Blogging | 0 |
| Frengo | Mobile widgets and messaging platform | Messaging | 0 |
| FreshDesk | On demand customer support software | Enterprise | 0 |
| Freshmeat | Open source application index | Reference | 0 |
| Frinly | Photo sharing service | Photos | 0 |
| Frog Learning Platform | Online learning management platform | Education | 0 |
| Fspic | Photo sharing for the Foursquare service | Photos | 0 |
| FT Press | Financial and business information resource | Financial | 0 |
| FuelFrog | Track Your Gas Mileage | Transportation | 0 |
| FullContact | Contact Information Service | Office | 0 |
| Funambol Cloud | Mobile cloud sync service | Internet | 0 |
| FuncNet | Protein analysis service | Tools | 0 |
| Fupa Games | Flash games provider | Games | 0 |
| FuseMail | Email hosting service | 0 | |
| Fusicology | Music and progressive entertainment hub | Music | 0 |
| Futuremail | Email Scheduling and Queuing Service | 0 | |
| Fuze Box | Internet and mobile communication services | Chat | 0 |
| Fwix | Geolocation and location-based content service | Mapping | 0 |
| Fwix Local News | Local news service | News | 0 |
| Fwix Wire | Local news gathering service | News | 0 |
| G8L.US | URL shortening service | Internet | 0 |
| GaggleAMP | Social media advertising service | Advertising | 0 |
| Game Jolt | Independent video game directory | Games | 0 |
| GamerDNA Helix | Warhammer game character service | Games | 0 |
| gamerID | Gaming identity authenticater | Games | 0 |
| Gameyola | Online gaming community | Games | 0 |
| Gandi Domain | Domain management service | Internet | 0 |
| Gandi Hosting | Hosting management service | Internet | 0 |
| GarageTV | Video sharing service | Video | 0 |
| Gastus | Expense tracking | Financial | 0 |
| GatorURL | URL Shortening Service | Utility | 0 |
| Gbanga Puppetmaster | Location-based gaming platform | Games | 0 |
| Ge.tt | File sharing and publishing service | File Sharing | 0 |
| Geckoboard | Real-time business dashboard | Enterprise | 0 |
| Genability | Electricity price data service | Reference | 0 |
| Genband A2 | Cloud based telecommunications services | Telephony | 0 |
| GenealogyCloud OneGreatFamily | Genealogy and family tree service | Other | 0 |
| GeneCruiser | Genomic information database | Medical | 0 |
| Genetics Home Reference | Genetics research site | Reference | 0 |
| Geni | Genealogy Service | Other | 0 |
| GenomeQuest | Biological data managment platform | Other | 0 |
| GeoAstro | Astronomical event service | Science | 0 |
| GeoCerts Reseller | SSL reseller platform | Internet | 0 |
| Geocoding Service for Korea | Korean geocoding service | Mapping | 0 |
| GeoCommunicator | BLM public lands mapping and data service | Mapping | 0 |
| Geognos World Countries | Worldwide geocoding information service | Mapping | 0 |
| GeoGratis | Geographic data and mapping service | Mapping | 0 |
| GeoMaker | Geo enrichment platform | Mapping | 0 |
| GeoMe | Location based IP tracking service | Tools | 0 |
| Geomena | Open geo database of WiFi access points | Other | 0 |
| GeoNet Quake | New Zealand earthquake reporting service | Science | 0 |
| Geoportail | French geomapping overlay service | Mapping | 0 |
| GeoReach Neighborhood | Location based adversting service | Advertising | 0 |
| George Vustrey Weather | Weather forecasting service | Weather | 0 |
| Geosion mobile SMS | Bulk SMS messaging service | Messaging | 0 |
| GeoSmart | New Zealand geospatial and mapping services | Mapping | 0 |
| GEOSPAN | Geographic information and visualization service | Mapping | 0 |
| Geotoko | Location based campaign creation and search | Advertising | 0 |
| German Bank Code Service | German Banking Code lookup service | Financial | 0 |
| Get Favicon | Return favicons for a URL | Internet | 0 |
| Get Localization | Crowdsourcing Translation Service | Tools | 0 |
| Getafreelancer | Freelance programmer database | Job Search | 0 |
| GetMobile | Mobile advertising network | Advertising | 0 |
| GetResponse | Email marketing service | 0 | |
| Getsocio | Daily deal and group buying website platform | Shopping | 0 |
| Getting Homework Done | Homework submission service | Education | 0 |
| GetYourGuide | Travel tours and activities booking service | Travel | 0 |
| GetYourIDX | Real Estate IDX Services | Real Estate | 0 |
| Giant Bomb | Database of game information | Games | 0 |
| Gifts.com | Gift recommendation service | Shopping | 0 |
| GigMasters | Entertainment booking service | Entertainment | 0 |
| GigPark | Local recommendations service | Recommendations | 0 |
| Gigulate | Music blogging service | Music | 0 |
| Gigwalk | Mobile workforce service | Job Search | 0 |
| Gimahhot Shopping | Online shopping marketplace | Shopping | 0 |
| Gimme Bar | Bookmarking service | Bookmarks | 0 |
| Ginzametrics | SEO service | Internet | 0 |
| Gipuzkoa | Spanish province government data | Government | 0 |
| GIS Cloud | Geospatial data cloud hosting & map creation service | Mapping | 0 |
| Gistpoint | Internet article summary service | Internet | 0 |
| Giving Impact | Donor communications service | Payment | 0 |
| Glam Apps Platform | Women-focused content and social network | Social | 0 |
| Gliffy | Online flowcharting and diagramming service | Other | 0 |
| Glitch | Online massively multiplayer game | Games | 0 |
| Global Currents Pipeline | Online donation processing service | Financial | 0 |
| Global Giving | Online donation and causes marketplace | Social | 0 |
| Global IP Sound | Voice Processor for VoIP Services | Telephony | 0 |
| Global Sports Media | Worldwide sports information service | Sports | 0 |
| Global Tennis Network | Online tennis network | Sports | 0 |
| Globe Labs | Telecommunications services | Telephony | 0 |
| Globedia | News aggregation service | News | 0 |
| GlobPlotter | Protein structure prediction service | Science | 0 |
| Glocal Focal US Mortality Data | US government mortality data | Reference | 0 |
| Gloe | Geo-tagging service | Mapping | 0 |
| Glosk | Location Based Photo Search | Photos | 0 |
| GMOD | Remote Querying of Biological Databases | Reference | 0 |
| gNewBook | Social network | Social | 0 |
| Gnip | Social media data delivery service | Social | 0 |
| Go Processing | Mobile payments service | Payment | 0 |
| GoBox | Cloud File Storage and Sharing Service | File Sharing | 0 |
| GoCardless | Online payments gateway | Payment | 0 |
| GoDaddy | Domain registration service | Internet | 0 |
| GoGrid | Cloud computing and web hosting services | Internet | 0 |
| Golem.de | News article discovery service | News | 0 |
| Golf Channel CRM Tee Time | Golf tee time reservation service | Sports | 0 |
| GoodData | Business information service | Enterprise | 0 |
| GoodGuide | Green healthy product ratings | Recommendations | 0 |
| Goodsie | Goodsie Online Store Service | Shopping | 0 |
| GoodStorm | Online retail ecommerce | Shopping | 0 |
| Google Affiliate Network | Affiliate marketing network | Advertising | 0 |
| Google APIs Discovery | Google API directory service | Internet | 0 |
| Google Apps Marketplace | Integrate Google billing services with applications | Payment | 0 |
| Google Apps Profiles Data | Update and retrieve Google Apps profiles | Utility | 0 |
| Google Closure Compiler | JavaScript optimization service | Tools | 0 |
| Google Cloud Print | Cloud printing service | Office | 0 |
| Google Diacritize | Language pronunciation tool | Reference | 0 |
| Google Issue Tracker Data | View and update issues on Google Project Hosting | Tools | 0 |
| Google Moderator | Tool for collection and ideas, questions and recommendations | Tools | 0 |
| Google Patent Search | Patent search service | Search | 0 |
| Google Plus Hangouts | Video chat | Chat | 0 |
| Google PowerMeter | Power consumption monitoring tool | Tools | 0 |
| Google Provisioning | User provisioning for Google Apps | Enterprise | 0 |
| Google Research Search | Search services for researchers | Search | 0 |
| Google Shared Spaces | Collaborative widget service | Widgets | 0 |
| Google Site Verification | Website owner verification service | Security | 0 |
| Google Storage | Online storage service | Storage | 0 |
| Google Virtual Keyboard | Vritual keyboard service | Other | 0 |
| Goozex | Video game trading services | Games | 0 |
| GOP.gov | US Congressional Republicans data | Government | 0 |
| Goplan | Online project management | Project Management | 0 |
| Goslyudi.ru | Public ratings of Russian government bloggers | Government | 0 |
| GOSO | Online vehicle and dealer inventory service | Shopping | 0 |
| GoToBilling | Online payment service | Payment | 0 |
| GovHG Data.One | Hong Kong real-time traffic | Transportation | 0 |
| GovTracker | Rhode Island state data services | Government | 0 |
| gPodder | Podcast retrieval service | Tools | 0 |
| Granicus Open Platform | Government open data service | Government | 0 |
| Granicus Training Management Suite | Government employee training service | Government | 0 |
| GraphEdge | Social network monitoring service | Social | 0 |
| GraphicMail | Email newsletter service | 0 | |
| GraphicMail | Online email marketing service | 0 | |
| GraphMagic | Graph and chart services | Other | 0 |
| Graydon Company Data Webservice | UK company information database | Reference | 0 |
| Green Thing | Green lifestyle suggestion service | Social | 0 |
| Greencheck | Website sustainability checker | Tools | 0 |
| Greendizer | Invoicing service | Financial | 0 |
| Greengoose | Wireless motion sensor game service | Games | 0 |
| GreenLight Data | Bankruptcy records service | Financial | 0 |
| Greplin | Distributed personal information search | Search | 0 |
| Grid5000 | Computer science research group | Other | 0 |
| GridLab | Grid computing facilitation service | Internet | 0 |
| grnVoIP | VoIP Service | Telephony | 0 |
| Grocery Server | Grocery search engine | Food | 0 |
| GroopBuy | Local deals and group buying service | Shopping | 0 |
| GroundLink | Ground transportation service | Transportation | 0 |
| Group Texting | SMS messaging service | Messaging | 0 |
| Group2call | SMS and voice messaging service | Messaging | 0 |
| GroupFlier | Group messaging service | Telephony | 0 |
| GroupMe | Social bookmarking | Bookmarks | 0 |
| Groups Near You | Local groups search service | Social | 0 |
| Grow VC | Crowsourced funding for startups service | Social | 0 |
| GTmetrix | Website Performance Testing Tool | Tools | 0 |
| Guardian Politics | UK government and political resources | Government | 0 |
| gubb | List creation and management | Database | 0 |
| Guerrilla Mail | Temporary Email Service | 0 | |
| Guidewire | Property and Casualty Insurance billing services | Other | 0 |
| Guitar Chord | Music utility service | Music | 0 |
| Guzzle Ayup! | PubSubHubbub Hub | Feeds | 0 |
| GXchart | Chart generation service | Other | 0 |
| gzaas | Custom typography messaging service | Internet | 0 |
| Hackruiter | Job recruiting info service | Job Search | 0 |
| Haiku Learning Management System | Online education and learning service | Education | 0 |
| Hakia | Semantic search engine | Search | 0 |
| Halo:Reach Stats | Access Halo:Reach game and player information | Games | 0 |
| HAMweather Aeris | Weather data service | Weather | 0 |
| Handset Detection | Mobile phone database | Telephony | 0 |
| Happenr | Events database | Events | 0 |
| Happenstand | Bay area events listing service | Events | 0 |
| HasOffers | Affiliate network service | Shopping | 0 |
| Hathi Trust Data Distribution | Library catalog search service | Reference | 0 |
| HathiTrust Volumes | Library catalogue information retrieval service | Education | 0 |
| Hayoo! | Haskell library search service | Search | 0 |
| Haystack Networking | Social networking for business | Other | 0 |
| hbookmark | Real-time semantic bookmarking via Twitter | Bookmarks | 0 |
| HDmessaging | Mobile messaging service | Messaging | 0 |
| Health Indicators Warehouse | Health indicators database | Medical | 0 |
| HealthTap | Online health network service | Medical | 0 |
| HeatMap | Heat map generator service | Mapping | 0 |
| Helioid | Web visual search service | Search | 0 |
| Helioviewer | Solar and heliospheric data access | Other | 0 |
| HelloTxt | Service for updating status messages | Social | 0 |
| HelpSpot | Web-based helpdesk service | Enterprise | 0 |
| Helsinki City Service Map | City services maps | Mapping | 0 |
| Helsinki Regional Transport Authority | Helsinki public transit trip planner | Transportation | 0 |
| Heroku Provider | Cloud connection service | Internet | 0 |
| Hetzner | Web hosting management services | Internet | 0 |
| Hexillion Whois | Whois query service | Internet | 0 |
| Hey Spread | Video distribution services | Video | 0 |
| Heystaks | Social search and recommendation service | Search | 0 |
| HeyWatch | Video encoding services | Video | 0 |
| Heyzap Server | Game user information service | Games | 0 |
| Hictu | Video microblogging service | Video | 0 |
| HighlightCam | Video summarization service | Video | 0 |
| Hindenbug | Bug and log tracking service | Tools | 0 |
| HIPAASpace | HIPAA code lookup services | Medical | 0 |
| HipChat | Instant messaging service for companies and teams | Chat | 0 |
| HipGeo | Trip tracking and recording application | Travel | 0 |
| HipsterJesus | Lorem Ipsum generator tool | Tools | 0 |
| Historious | Website bookmarking tool | Bookmarks | 0 |
| Hitmeister | German shopping marketplace | Shopping | 0 |
| HM Revenue & Customs | UK tax document submission service | Government | 0 |
| HNSearch | Hacker News search engine | News | 0 |
| Home Energy Saver | Energy calculator tool | Government | 0 |
| Home Hippo Property Portal | Online real estate portal | Real Estate | 0 |
| HomeFinder.com | Real estate listing service | Real Estate | 0 |
| Hook Mobile | U.S. and Canada multimedia mobile messaging service | Messaging | 0 |
| HootSuite Engagement | Social media management service | Social | 0 |
| Hoovers | Corporate data services | Enterprise | 0 |
| Hopewiser Atlas | Address verification service | Shipping | 0 |
| HopStop | Mass transit and walking directions | Transportation | 0 |
| Hospital Compare | Hospital comparison service | Medical | 0 |
| Hosting.com VMware vCloud Express | Online hosting and virtual cloud infrastructure service | Internet | 0 |
| HotelBeds | Travel accomodations service | Travel | 0 |
| Hotwire | Travel deals and historical price data from Hotwire.com | Travel | 0 |
| Hotwire Hotel Shopping | Hotel shopping service | Travel | 0 |
| Hotwire Rental Car Shopping | Rental car shopping service | Travel | 0 |
| Hotwire Travel-Ticker Deals | Travel deals service | Travel | 0 |
| Houdini | Crowdsourced moderation services | Tools | 0 |
| How do you pronounce and use...? | Multimedia pronunciation dictionary | Dictionary | 0 |
| How'd They Vote? | Canadian Parliament voting records | Government | 0 |
| HQSMS | Bulk SMS messaging service | Messaging | 0 |
| htm2pdf | HTML to PDF conversion service | Office | 0 |
| HTML2PDF | HTML to PDF conversion service | Internet | 0 |
| HTTP Redirect Chain Enumerator | Search Engine Optimization tool | Utility | 0 |
| hu.ly | URL shorten tool | Internet | 0 |
| Hub9 CloudSearch | Cloud hosted search service | Search | 0 |
| HubSpot Blog | HubSpot Blog Management Service | Blogging | 0 |
| HubSpot Events | Marketing events information service | Events | 0 |
| HubSpot Keywords | Marketing keywords data service | Internet | 0 |
| HubSpot Lead Nurturing | Marketing campaign leads service | Internet | 0 |
| HubSpot Leads | Internet marketing service | Enterprise | 0 |
| HubSpot Prospects | Marketing prospects information service | Internet | 0 |
| HubSpot Settings | Internet marketing service | Internet | 0 |
| Huddle | Project management and collaboration service | Project Management | 0 |
| Human Information Project Data | User Information and Privacy | Security | 0 |
| HummingBytes Q&A | Communication service | Telephony | 0 |
| HyperOffice | Online collaboration software | Enterprise | 0 |
| Hyperpublic | Geographic data collection service | Mapping | 0 |
| Hyves Data | Dutch social networking site | Social | 0 |
| I Rate My Day | Rate your day services | Social | 0 |
| I'm Human | Visual CAPTCHA service | Security | 0 |
| I'vRead | Social Reading Record | Social | 0 |
| IActionable | Gamification and Analytics Platform | Games | 0 |
| IBAN and BIC Conversion | IBAN and BIC code calculation and validation | Financial | 0 |
| iCall | Calling, VoIP, and messaging service | Telephony | 0 |
| ICanLocalize | Translation service | Tools | 0 |
| ICE Trading & Technology | Futures exchange | Financial | 0 |
| IceRocket Blog Search | Real-time blog search service | Search | 0 |
| IconCMO | Church management service | Enterprise | 0 |
| iContact | Email marketing service | 0 | |
| iCustomer Pulse | Customer satisfaction survey | Enterprise | 0 |
| iCyte | Resource and document saving service | Reference | 0 |
| Idealista | Spanish real estate portal | Real Estate | 0 |
| IdeaScale | Online Community Data Tools | Social | 0 |
| IdeaTree | Mind map service | Utility | 0 |
| Ideone | Online code compiler and debugger | Tools | 0 |
| Idescat Catalan and Spanish Indicators | Economic indicator service | Financial | 0 |
| Idescat Municipality in Figures | Statistical information on Catalan municipalities | Government | 0 |
| Idescat Rectifications | Rectifications registry lookup service | Reference | 0 |
| iDigitalNet | Web hosting service | Internet | 0 |
| iDirectDebit | Payment processing service | Payment | 0 |
| iFile.it | Online storage provider | Storage | 0 |
| Ignyte Movies and Showtimes | Local movie showtime service | Events | 0 |
| iGolder | Payment service for exchanging gold | Payment | 0 |
| iHeartRadio | Radio station search and player | Music | 0 |
| iHelpDesk | Customer service platform and help desk | Enterprise | 0 |
| iHOP Genetics | Biological protein sequencing service | Science | 0 |
| iLime | Mobile push notification service for Apple iPhone | Telephony | 0 |
| iList | Classified ads service | Shopping | 0 |
| Illinois 2010 School Report Cards | Illinois public school grade reporting service | Education | 0 |
| IM Group | Vehicle information service | Transportation | 0 |
| Image Color Summarizer | Graphic/image analysis service | Utility | 0 |
| Image Pack | Image editing tool | Photos | 0 |
| ImageCollect | Celebrity photo library | Photos | 0 |
| iMente | News search and aggregation service | News | 0 |
| IMG to CSS | Image files to CSS converter | Tools | 0 |
| IMG4Me | Text to Image Service | Tools | 0 |
| Impermium | Website protection service | Security | 0 |
| IMS Enterprise Services | Learning technology consortium | Education | 0 |
| Inchicks | Story submission service | Social | 0 |
| IndexTank | Realtime fulltext search | Search | 0 |
| Indivo Health | Health record manipulation services | Medical | 0 |
| Industry Mailout MyMailout | Email marketing and delivery service | 0 | |
| iNetWord | Online document editor | Office | 0 |
| InfiniteGraph | Distributed graph database | Database | 0 |
| Influence Explorer Text | Textual analysis tool | Government | 0 |
| Infobip | Mobile messaging and solution service | Telephony | 0 |
| Infochimps Geo | Geographic data and mapping service | Mapping | 0 |
| InfoChimps IP Census | Census data based on IP address | Reference | 0 |
| Information Environment Service Registry | Scholarly resource discovery and syndication service | Search | 0 |
| Infusionsoft | Online marketing automation service | Enterprise | 0 |
| Inkdit | Electronic signature service | Enterprise | 0 |
| Inkling | Prediction market platform | Financial | 0 |
| InKnowledge Taxi Fare Calculator | Taxi fare estimation service | Transportation | 0 |
| Innoport FAX | Fax services | Fax | 0 |
| Innotas | Project portfolio management services | Project Management | 0 |
| Innovative Merchant Solutions | Payment processing service | Payment | 0 |
| Inside Idaho | State geospatial information service | Mapping | 0 |
| InsideSales | Sales and marketing tools | Enterprise | 0 |
| Instagram Real-time | Real-time image sharing service | Photos | 0 |
| InstantEncore Maestro | Classical music community | Music | 0 |
| Instructure Canvas | Learning management system | Education | 0 |
| InsumaFocus | Customizable German search engine | Search | 0 |
| Intel Connection | Device connection state monitoring tool | Tools | 0 |
| Intel Power Web | Power and battery state monitoring | Tools | 0 |
| IntelliContact | Email marketing service | 0 | |
| Intellivative | Payment processing service | Payment | 0 |
| International Aid Transparency Initiative | Aid spending index | Government | 0 |
| Internet Vista | Internet monitoring service | Internet | 0 |
| Interpair | Cloud-based device pairing service | Internet | 0 |
| Intersect | List mutual Twitter followers | Social | 0 |
| Interstate Developers | Project development roadmaps tool | Project Management | 0 |
| Intervals | Time Tracking and Task Management Tools | PIM | 0 |
| InterWorx License | Web hosting management services | Internet | 0 |
| Intouch | Mobile group messaging | Messaging | 0 |
| Intuit Payments Connect | Easily connect to Intuit Payment Services and QuickBooks Merchant Services (QBMS) | Payment | 0 |
| Inveni | Movie and TV show recommendation service | Entertainment | 0 |
| Invested.in | Customizable crowdfunding platform service | Financial | 0 |
| Invoice Machine | Invoice management service | Financial | 0 |
| InvoiceClarity | Invoice management service | Financial | 0 |
| Invoicera | Invoicing & Billing Service | Payment | 0 |
| InVox | Small and medium-sized business phone service | Telephony | 0 |
| Inwise | Newsletter & Email marketing service | Advertising | 0 |
| INZU | CMS for the music industry | Media Management | 0 |
| ioBridge | Retrieve module feed URLs | Tools | 0 |
| ioBridge JavaScript Widget Control | Control and monitor widgets | Widgets | 0 |
| IODA Open | Online Music Distribution Database | Music | 0 |
| IP Address | IP address lookup service | Tools | 0 |
| IP Address Location | IP address lookup service | Mapping | 0 |
| IP Commerce | Payment Platform with single integration access to leading payment providers | Payment | 0 |
| IPAddressLabs | IP Geolocation Service | Internet | 0 |
| iPayDNA | Online payment service | Payment | 0 |
| IPGEO | IP Address Geolocation Service | Security | 0 |
| IPInfoDB E-Commerce Fraud Detection | Fraud detection service | Security | 0 |
| IPInfoDB Fraud Detection | Online fraud detection service | Reference | 0 |
| IPInfoDB Timezone | Web based IP timezone lookup service | Internet | 0 |
| iPing | Internet and telephony service | Telephony | 0 |
| IPloc | IP address lookup services | Internet | 0 |
| iplocationtools | IP address services | Internet | 0 |
| Ipoki | GPS and social presence services | Social | 0 |
| IPRental | IP address routing service | Utility | 0 |
| IQ Engines | Image recognition service | Photos | 0 |
| iRadeo | Internet radio service | Music | 0 |
| iRail | Belgium train schedules | Transportation | 0 |
| Ireland Revenue Customs and Excise | Irish tax collection office data | Financial | 0 |
| IRL Connect | Visible social networking service | Social | 0 |
| Iron Money | Personal financial management service | Financial | 0 |
| Iron Mountain | Enterprise cloud storage service | Storage | 0 |
| Iron.io IronMQ | Cloud hosted messaging service | Messaging | 0 |
| Iron.io IronWorker | Task and project management system | Project Management | 0 |
| iScore Sports Team Website | Sports team statistics | Sports | 0 |
| iSeatz | Customized online travel and entertainment solutions | Travel | 0 |
| iShareMaps On Demand | UK Postcode Geocoder | Mapping | 0 |
| Isidorey | Connect devices to the cloud | Internet | 0 |
| isiZulu | Zulu-English dictionary | Dictionary | 0 |
| iSpeech Automated Speech Recognition | Speech Recognition Service | Tools | 0 |
| iSpeech Text-To-Speech | Text to Speech Service | Tools | 0 |
| iStockphoto | Royalty free stock photos | Photos | 0 |
| It's Learning | Web based education platform | Education | 0 |
| itDuzzit | Cloud application integration service | Utility | 0 |
| ITIS Web Service Description | Species taxonomy data | Science | 0 |
| iTrackmine Simple | Collection sharing service | Social | 0 |
| Its4sms | SMS messaging service | Messaging | 0 |
| ItsThisForThat | Random startup idea generator | Other | 0 |
| IttyUrl | URL shortening service | Internet | 0 |
| iTunes & App Store Search | Apple product search | Media Search | 0 |
| Ity.im | URL shortening service | Utility | 0 |
| iVisionMobile | SMS gateway service | Telephony | 0 |
| IW Location | Mobile geolocation service | Telephony | 0 |
| iwannagothere | Community-based travel guide | Travel | 0 |
| iWantMyName Domain and DNS | Internet domain name registrar and hosting service | Internet | 0 |
| Ixaris Opn | Online payment service | Payment | 0 |
| IZEA Sponsored Tweets | Independent Twitter advertising platform | Advertising | 0 |
| IZEARanks | Blog ranking service | Blogging | 0 |
| Jabbakam | IP camera platform | Video | 0 |
| Jaconda | Instant Messaging Service | Social | 0 |
| JAGTAG | Mobile marketing service | Advertising | 0 |
| Jajah | International Web Telephony Service | Telephony | 0 |
| jakdojade.pl | Polish transit service | Transportation | 0 |
| JangoMail | Bulk email service | 0 | |
| Janrain Capture | User data collection and storage service | Enterprise | 0 |
| Java Game Tome | Java game listing services | Games | 0 |
| Jawoco | Web search engine | Search | 0 |
| JayCut | Online video editing service | Video | 0 |
| Jeppesen Journey Planner | Trip planning service | Transportation | 0 |
| Jiglu Insight | Website content personalization platform | Internet | 0 |
| JobCrank | Job search and posting | Job Search | 0 |
| Jobg8 | Job search marketplace | Job Search | 0 |
| JobGizmo | Job search tools | Job Search | 0 |
| JobMotel | Job feeds service | Job Search | 0 |
| Join.me | Remote screen-sharing service | Office | 0 |
| Joind.in | Social Conference Tools | Social | 0 |
| Joker.com | Internet domain registration service | Internet | 0 |
| Joliprint | Convert HTML to PDF Documents | Office | 0 |
| Jolkona | Social donation platform | Social | 0 |
| Jonathan's Card | Social sharing experiment | Social | 0 |
| Joomeo | Media interfacing service | Media Management | 0 |
| Jotly | Rating application | Social | 0 |
| Jott | Voice to email and text service | Messaging | 0 |
| JournalTOCs | Journal search service | Search | 0 |
| Joyent Node | Cloud computing software | Internet | 0 |
| jsFiddle | Online web editor | Tools | 0 |
| JSON Tools | JSON formatting tools | Tools | 0 |
| JSPWiki | Wiki data retrieval service | Wiki | 0 |
| Jude's Convert HTML Page to PDF and Image | Convert HTML into PDF or images | Office | 0 |
| JumboTweet | URL shortener | Internet | 0 |
| JumboURL | URL expanding service | Internet | 0 |
| Junaio Callback | Augmented reality broswer | Internet | 0 |
| Junar.com | Community Data Publishing | Feeds | 0 |
| Junction Networks Web Services | Business VoIP Services | Telephony | 0 |
| JunglePay | Mobile payment and billing service | Payment | 0 |
| JunoTrade | Online stock trading service | Financial | 0 |
| JustGiving | Online charity fundraising tool | Payment | 0 |
| JustJobs.ro | Romanian job search site | Job Search | 0 |
| Jyte | Community voting service | Social | 0 |
| Kaavo Web Services | Cloud based application management service | Internet | 0 |
| kaChing | Social investment service | Financial | 0 |
| Kadoo | Cloud-based video hosting service | Video | 0 |
| Kalisty | To-do list services | Social | 0 |
| Kaltura | Media platform customization service | Media Management | 0 |
| Kantar Video Analytics | Video analytics service | Video | 0 |
| Kanvaso | Twitter utility | Social | 0 |
| Karniyarik Product Search | Turkish shopping search engine | Shopping | 0 |
| Kasabi | Data marketplace | Reference | 0 |
| KashFlow | Online accounting software | Financial | 0 |
| Kashoo | Online accounting software for small businesses | Financial | 0 |
| KassEnterprises APL Navigator | APL programming and reporting service | Enterprise | 0 |
| Kateglo | Indonesian online dictionary, thesaurus and glossary | Dictionary | 0 |
| Kayako | Help desk software | Enterprise | 0 |
| KAYWA QR-Code | QR-Code access service | Tools | 0 |
| Kazle | Social Network Management | Social | 0 |
| KDE Pastebin | Pastebin service | Tools | 0 |
| Keen | Online psychic reading community | Social | 0 |
| Kegg | Bioinformatics data services | Medical | 0 |
| Kenya Open Data | Kenya datasets | Government | 0 |
| Ketchup | Meeting notes management service | Office | 0 |
| Key Survey | Survey operation enhancement service | Tools | 0 |
| KidsEatFor | Restaurant deal search service | Food | 0 |
| Kijubi | Activity marketplace service | Travel | 0 |
| Kik | Mobile messaging platform | Messaging | 0 |
| kikin EasySearch | Embedded search service | Search | 0 |
| KillerTours.com | Band and Concert Search Tool | Events | 0 |
| Kinamik Data Integrity | Tamper evident and digital evidence ready data | Security | 0 |
| King County Busses | Transit tracking service | Transportation | 0 |
| King County Open Data | King County, WA datasets | Government | 0 |
| Kinross Group | SMS messaging service | Messaging | 0 |
| Kintera | Fundraising and donor management | Other | 0 |
| KISSmetrics | Conversion funnel analytics service | Internet | 0 |
| KISTI | Topic-centric search service | Search | 0 |
| KIT Social | Customizable social network service | Social | 0 |
| KIT Video | Video storage, encoding, and broadcast platform | Video | 0 |
| Klarna | eCommerce service | Payment | 0 |
| Klipfolio | KPI dashboard | Enterprise | 0 |
| Knewton | Online learning platforms | Education | 0 |
| Knotice | Digital direct marketing service | Advertising | 0 |
| KnotInFrame | DNA and RNA frameshift site prediction service | Science | 0 |
| Knowlarity | Cloud based telephony services | Telephony | 0 |
| KnowledgeTree | Document management software | Enterprise | 0 |
| KnowMarkets Address Verification | Postal and area code lookup services | Reference | 0 |
| Kole Imports | Dollar store merchandise information | Shopping | 0 |
| Kongregate | Game data integration service | Games | 0 |
| Kontagent | Social analytics service | Social | 0 |
| Kontangent | Social analytics platform | Social | 0 |
| kooaba Query | Image recognition service | Photos | 0 |
| Koordinates | Mapping layers data service | Mapping | 0 |
| KPI Dashboard | Business information service | Enterprise | 0 |
| Kratia | Democratic search engine | Search | 0 |
| Kronovia Compliance Cloud Service | Social CRM compliance service | Enterprise | 0 |
| ktailab Mobile Country Code | Find locations based on mobile information | Telephony | 0 |
| Kumutu | Adventure sports distribution service | Travel | 0 |
| KWICK! Social Platform | Social Platform API | Social | 0 |
| Kwout | Website quote with images tool | Tools | 0 |
| L9 | URL Shortening Service | Internet | 0 |
| la Lotería del Niño | Spanish Lottery Information Lookup | Government | 0 |
| LAARC Catalogue Search | Archaeology museum catalog | Education | 0 |
| LandGrab | Gaming platform | Games | 0 |
| Lanoba | Website registration and authentication service | Security | 0 |
| Larimer County Public Records Databases | Larimer County property and property tax information service | Government | 0 |
| Launchpad | Bug and issue tracking | Enterprise | 0 |
| Lawyers.com | Legal articles archive | Reference | 0 |
| Lead Reporter | Lead Management Software | Enterprise | 0 |
| Lead Zeppelin | Sales lead management tool | Enterprise | 0 |
| Lead411 | Company data provider | Enterprise | 0 |
| LeadMaster | Sales lead tracking service | Enterprise | 0 |
| LeadsMob | Mobile SMS and email marketing service | Messaging | 0 |
| leadsNyou Email Marketing | Email Marketing Service | 0 | |
| Leafly | Medicinal marijuana information service | Reference | 0 |
| LearningSource | Online events platform | Events | 0 |
| Ledgerble | Online accounting software for small businesses | Financial | 0 |
| Leftronic | Data and analytics visualization service | Tools | 0 |
| legislation.gov.uk | UK legislation information service | Government | 0 |
| Lemonade Stand | Community Sales Service | Shopping | 0 |
| Lemonfree | Automobile search engine | Shopping | 0 |
| Lemonstorm | Online texting service | Messaging | 0 |
| Less Accounting | Online accounting service | Financial | 0 |
| Let's Crate | File sharing service | File Sharing | 0 |
| LetGive | Direct donation platform | Payment | 0 |
| LetsGiftIt | Group gifting service | Retail | 0 |
| LetsProve | Lifestreaming services | Social | 0 |
| Leverage Software | Online community and collaboration service | Social | 0 |
| Lexaurus | Vocabulary management service | Database | 0 |
| LexisNexis Academic | Academic research repository | Reference | 0 |
| LibDir | Online web directory | Internet | 0 |
| Liberty Data | Identity verification and risk management tools | Security | 0 |
| Librarious | Personal collection catalog | PIM | 0 |
| Library of Congress Subject Headings | Access to the Library of Congress Subject Headings | Reference | 0 |
| Librato Metrics | Data management and visualization service | Internet | 0 |
| Librato Silverline | Application resource monitoring and management service | Internet | 0 |
| LIBRIS | Swedish library search tool | Search | 0 |
| LicenseCube | Billing systems licensing service | Enterprise | 0 |
| LicenseQuote | Music licensing service | Music | 0 |
| LifeDesks | Online science and taxonomy community | Reference | 0 |
| LifeKraze | Social networking and sharing accomplishments service | Social | 0 |
| Lifepod Open | Online calendar service | Calendar | 0 |
| Lifesta | Deal buying and selling service | Shopping | 0 |
| Lift Suggest | Shopping recommendation service | Shopping | 0 |
| Lighthouse | Online project management and issue tracking | Tools | 0 |
| Lighthouse | Bug and issue tracking | Project Management | 0 |
| LignUp | Communications web services | Telephony | 0 |
| Lijit | Trust network based search tool | Search | 0 |
| Like A Little | Social gaming and dating service | Dating | 0 |
| Limelight Networks | Online video platform and content management service | Video | 0 |
| Limestone Rockware | Dedicated internet hosting | Internet | 0 |
| LingoTip Translation | Document translation service | Tools | 0 |
| Link Emperor | SEO campaign management service | Internet | 0 |
| linkaGoGo | Social bookmarking service | Bookmarks | 0 |
| Linkalope | Twitter link search service | Search | 0 |
| Linkbee.com | Create Short Links and Cash Links | Internet | 0 |
| Linkee | URL Shortening, Real-Time Tracking & Social Sharing | Internet | 0 |
| LinkPeek | Web site image preview creation service | Tools | 0 |
| LinkPoint | Customizable payment processing services | Payment | 0 |
| LinksPreadeR | URL Morphing Service | Internet | 0 |
| Linode | Virtual server hosting services | Internet | 0 |
| LinqTo.me | Link bookmarking service | Bookmarks | 0 |
| Lionyzer | Website analysis and classification tool | Internet | 0 |
| Lipfeed.com | Multimedia platform | Advertising | 0 |
| LiqPAY | Online billing and payment service | Payment | 0 |
| Liquid11 Conferencing | B2B telecom service - conferencing | Telephony | 0 |
| LiquidPlanner | Project management software | Project Management | 0 |
| Liquor Control Board of Ontario | Liquor store, product and inventory lookup service | Shopping | 0 |
| LISIRD | Solar irradiance datasets | Science | 0 |
| ListiMonkey | Twitter list email delivery application | 0 | |
| ListingWare | Listings Search Service | Real Estate | 0 |
| Lithium | Social media monitoring tool | Social | 0 |
| Litmos | Learning Management System | Education | 0 |
| Litmus | Cross-browser compatibility testing | Other | 0 |
| Little Green Plane | U.K. mail marketing campaign management service | 0 | |
| LittleShoot Labs MIME | File type reference service | Tools | 0 |
| LittleSis | Database for tracking political and business relationships | Government | 0 |
| Live Matrix | Internet event listing service | Events | 0 |
| Live Nation Event Data | Live music and concert information | Music | 0 |
| LiveAddress Verification | Address verification service | Enterprise | 0 |
| Livebookings | Restaurant reservations and information service | Food | 0 |
| LiveChat | Business instant messaging software | Chat | 0 |
| LiveDesigner | Promotional clothing and product design service | Advertising | 0 |
| LiveEnsure | Website and app authentication service | Security | 0 |
| LiveLeader Data Export | Chat based live support service | Chat | 0 |
| LivePerson Agent | Customer service chat platform | Chat | 0 |
| LivePerson Chat | Customer service chat platform | Chat | 0 |
| LivePerson Visit | Customer service chat platform | Chat | 0 |
| Livestream | Video Streaming Tools | Video | 0 |
| LiveTime | Cloud based ITIL Service Management | Internet | 0 |
| LiveWork | On demand virtual workforce of freelancers | Enterprise | 0 |
| LiveWorld | Community site customization service | Internet | 0 |
| LOC-AID | Mobile Location Service | Tools | 0 |
| Local Food Advisor | UK food market search service | Food | 0 |
| Local Search Maps Geocoder | Geocoding integration service | Mapping | 0 |
| Localstreamer | Geolocation service | Social | 0 |
| Location Genome | Mobile location based services | Tools | 0 |
| Location Labs Geofence | Location Alert Service | Tools | 0 |
| Location Labs Spatial Storage | Access and Search Geo-Tagged Content | Search | 0 |
| Location-API.com | Mobile location tracking service | Telephony | 0 |
| Loci.me | Create and Share Places/Locations | Social | 0 |
| Locker Project | Personal data management service | Security | 0 |
| Locr | Photo geotagging and sharing service | Photos | 0 |
| LodgeIt! | Code pastebin service | Tools | 0 |
| Loggly | Cloud Based Logging Service | Tools | 0 |
| Loggr | Web application analytics service | Tools | 0 |
| LogicBoxes | Hosting and domain registration service | Internet | 0 |
| LogMeIn Rescue | Account information service | Other | 0 |
| LogMyTime | Time Tracking Service | Tools | 0 |
| Lokad | Sales and demand forecasting (time series) | Enterprise | 0 |
| Loki | Website location service | Tools | 0 |
| Lollapalooza | Music event reference | Music | 0 |
| London DataStore | London government data | Government | 0 |
| Lonely Planet | Travel guidebook content services | Travel | 0 |
| Long "R" Us | URL lengthening service | Utility | 0 |
| LongJump | Platform as a Service (PaaS) | Enterprise | 0 |
| Longman Dictionary | English dictionary reference source | Reference | 0 |
| LongTail Video Bits on the Run | Online video player | Video | 0 |
| Lookery | User-targeting service | Internet | 0 |
| LookSmart AdCenter | Advertising campaign management | Advertising | 0 |
| LookStat | Microstock photographer solution service | Photos | 0 |
| Loomia | Recommendation service | Recommendations | 0 |
| LoopFuse | Sales and Marketing Service | Enterprise | 0 |
| Loquest | Question and answer service by location | Answers | 0 |
| LotVantage | Auto listing service | Advertising | 0 |
| LouderVoice | Review and comments service | Utility | 0 |
| LOUIS | US federal documents database | Government | 0 |
| LSG Lightspeed Reseller | Voice server resale services | Internet | 0 |
| LTU Engine/ON Demand | Image matching and search | Photos | 0 |
| lukup | Location based search and messaging service | Social | 0 |
| LuxSci | Email hosting/archiving & filesharing service | 0 | |
| Luzme | Ebook price data engine | Shopping | 0 |
| Lymbix Sentiment Analysis | Sentiment analysis service | Tools | 0 |
| Lymbix Sentiment Analytics | Sentiment Analysis Service | Tools | 0 |
| Lyons Account Verification | Check account verification service | Security | 0 |
| Lyons OFAC | OFAC screening service | Security | 0 |
| Lyons Routing Number Verification | Bank routing number verification service | Security | 0 |
| Lyons SSN Validation | Online social security number validation | Security | 0 |
| Lypp | VoIP Callback & Teleconferencing API | Telephony | 0 |
| LyricFind | Music lyrics database | Music | 0 |
| Lyris HQ Email | Email marketing service | 0 | |
| M-Software.de Thumbshots | Thumbnail creation service | Internet | 0 |
| M/DB | Database service | Database | 0 |
| Macroglossa | Image comparison search engine | Search | 0 |
| Macromedia News Aggregator | Data access service | News | 0 |
| Mad Mimi Mailer | Mass email marketing tool | 0 | |
| Maestro.fm | Online music service | Music | 0 |
| MaGdev BankSearch | German bank information service | Reference | 0 |
| magickly | Image manipulation service | Photos | 0 |
| Magma | Video directory and discovery service | Video | 0 |
| Magnatune | Music subscription and streaming service | Music | 0 |
| Magnify.net | Curated video channels | Video | 0 |
| Maiana | Topic Maps Browser and Editor | Database | 0 |
| Mail Monitor | Email marketing campaign management | 0 | |
| Mail.Ru | Social Mail Application Service | Social | 0 |
| mail2 | Email marketing service | 0 | |
| Mailbuild | Email forms and templates service | 0 | |
| MailerLite | Email marketing service | 0 | |
| Mailgun | Integrate email mailboxes into apps | 0 | |
| Mailjet | Cloud hosted email platform | 0 | |
| Mailtrust | Email hosting service | 0 | |
| Mailup | Broadcast email service | 0 | |
| Majestic SEO Enterprise | SEO intelligence service | Enterprise | 0 |
| MakePlans | Online scheduling service | Calendar | 0 |
| Malmöfestivalen | Malmö Festival schedule and information | Events | 0 |
| ManageEngine ServiceDesk Plus | Network monitoring software | Enterprise | 0 |
| ManageMyRequests | Information request tracking and reporting service | Government | 0 |
| MangoApps | Real-time collaboration platform | Enterprise | 0 |
| Manpacks | Men's shopping web site | Shopping | 0 |
| Manybots Server | Personal information tracking service | Goal Setting | 0 |
| Manyou | Chinese social networking site | Social | 0 |
| Map My Tracks | Sport activity tracking service | Sports | 0 |
| Map.Search.ch | Interactive map of Switzerland | Mapping | 0 |
| map4app | Map integration service | Mapping | 0 |
| MapBox | Mapping Service | Mapping | 0 |
| MapDust | OpenStreetMap bug tracker | Tools | 0 |
| MAPLight.org Bill Positions | Campaign donation and vote tracking service | Government | 0 |
| mapme | Location mapping service | Social | 0 |
| MapMyFitness | Fitness tracking service | Sports | 0 |
| MapMyRun | Access runners routes and related data | Sports | 0 |
| Mapnificent | Public transportation map service | Transportation | 0 |
| Mapping L.A. | Geographic boundary service | Mapping | 0 |
| Mappr | Photo mapping | Mapping | 0 |
| MapQuest Directions | Driving directions service | Mapping | 0 |
| MapQuest Nominatim Search | Geographic search service | Mapping | 0 |
| MapQuest Open | Online mapping service | Mapping | 0 |
| MapQuest Open Elevation | Elevation data service | Mapping | 0 |
| MapQuest Open Guidance | Mobile navigation service | Mapping | 0 |
| MapQuest Open Static Map | Simple online mapping service | Mapping | 0 |
| MapQuest Search | Geographic search service | Mapping | 0 |
| MapQuest Static Map | Simple online mapping service | Mapping | 0 |
| MapQuest Traffic | Traffic report service | Mapping | 0 |
| Maptimize | Google maps optimization service | Mapping | 0 |
| Mapy | Czech mapping services | Mapping | 0 |
| MARAN | Micro-array data preprocessing service | Science | 0 |
| Marine/Surfing Weather | Access to live marine/sailer weather | Weather | 0 |
| Mark Sutuer IP Utils | IP address lookup service | Internet | 0 |
| Marketiva Streamster | Online trading service | Financial | 0 |
| Markify | Trademark registration search engine | Search | 0 |
| Mashape | API marketplace | Security | 0 |
| Mashery | API delivery and management service | Internet | 0 |
| MashSpots | Local search and mapping | Search | 0 |
| Massachusetts Port Authority | Data feeds for Massachusetts Port Authority | Travel | 0 |
| MassDOT MBTA | Massachusetts transit data feeds service | Transportation | 0 |
| Masspublisher | Website and widget publishing and marketing service | Internet | 0 |
| MasterCard ATM Locations | ATM information service | Mapping | 0 |
| MasterCard Offers | Discount, deals, and offers service | Shopping | 0 |
| MasterCard Payments | Credit card payment processing service | Payment | 0 |
| MatchCollege | College search service | Education | 0 |
| Mates | Location-based networking service | Social | 0 |
| Matrix SMS Gateway | SMS messaging service | Telephony | 0 |
| Maventa e-invoicing | Electronic invoicing services | Financial | 0 |
| mBLAST | Media and marketing tools | Advertising | 0 |
| MdotM | Mobile advertising network | Advertising | 0 |
| mecanbe | Time and goal organization service | Other | 0 |
| Medentify | Rate People by Their Phone Number/Email | Social | 0 |
| MediaCast | Management and content software extension service | Tools | 0 |
| MediaCore | Video community platform | Video | 0 |
| MediaEquals | Advertising media buying and selling service | Advertising | 0 |
| Medialets Medialytics | Mobile application analytics service | Advertising | 0 |
| MediaMind | Advertising campaign management | Advertising | 0 |
| MediaPiston | Content creation provider | Other | 0 |
| MediaSock | Photo management and sharing service | Photos | 0 |
| MedlinePlus | Health information service | Medical | 0 |
| MedlinePlus Connect | Health information service | Medical | 0 |
| MeeMix | Music recommendation service and discovery | Music | 0 |
| Meez | Avatar retrieval service | Social | 0 |
| Mefeedia | Video feeds and community | Video | 0 |
| MegaPhone Labs | Interactive Video Service | Telephony | 0 |
| Melissa Data Data Quality Suite | Location data lookup and verification services | Reference | 0 |
| MemberClicks | Membership management software | Enterprise | 0 |
| Memonic | Web content, notes, and bookmark organizer | Bookmarks | 0 |
| Memory Reel | Event marketing service and event mobile application provider | Events | 0 |
| Merchant's Mirror | Accounting software | Financial | 0 |
| MerchantCircle.com | Online marketing service for local businesses | Shopping | 0 |
| MerchantOS | Point of sale and inventory control system | Retail | 0 |
| Mercury | Mobile marketing service | Messaging | 0 |
| Mergent Annual Reports | Business information service | Financial | 0 |
| Mergent Company Fundamentals | Business information service | Financial | 0 |
| Mergent Corporate Actions and Dividends | Business information service | Financial | 0 |
| Mergent Executives | Business information service | Financial | 0 |
| Mergent Historical Securities Data | Historical stock service | Financial | 0 |
| Meridix LiveID | Live stream and media access service | Internet | 0 |
| Merrcury | Travel shopping service | Travel | 0 |
| Mesagraph | Semantic social content aggregator | Social | 0 |
| Message Faces | Display sender portraits in email inbox | 0 | |
| MessageGears | Cloud email delivery service | 0 | |
| MessageMedia SMS | SMS messaging service | Messaging | 0 |
| MessageMost | Social and geo messaging service | Social | 0 |
| messagepub | Multichannel messaging service | Chat | 0 |
| messagingPeople | Messaging Service | Messaging | 0 |
| Met Office WOW | UK weather observations | Weather | 0 |
| MetaCDN | Cloud-based content delivery and media streaming service | Media Management | 0 |
| MetaGlance | Metadata Generation Tool | Tools | 0 |
| MetaLayer | Data visualization service | Other | 0 |
| Metallizer | Heavy metal album and song generator | Music | 0 |
| Metamark | URL shortening service | Utility | 0 |
| MetaWeblog | Blog editing service | Blogging | 0 |
| MetNet | Biological database access service | Reference | 0 |
| Metricly Custom Data Import | Data aggregation for dashboards | Enterprise | 0 |
| Metricly Plug-in | Data aggregation for dashboards | Enterprise | 0 |
| MetriDyne | Real-time measurement accumulates service | Reference | 0 |
| Metro Mapper | Louisville, Kentucky data maps | Mapping | 0 |
| Metro Traffic | Real-time traffic data service | Transportation | 0 |
| Metro Transit NexTrip | Minnesota Transit information service | Transportation | 0 |
| Metro Trip Planner | Los Angeles Metro transit information | Transportation | 0 |
| Mezeo | Cloud storage platform | Storage | 0 |
| Mezeo Cloud Storage Platform | Cloud Storage Platform | Storage | 0 |
| Mibbit | Chat client | Chat | 0 |
| Micello | Indoor mapping service | Mapping | 0 |
| microPledge | Social MicroPledging for Software Development | Financial | 0 |
| MicroPoll | Web poll service | Tools | 0 |
| miiCard | Secure internet identity service | Security | 0 |
| MileSplit | High school track and field and cross country coverage site | Sports | 0 |
| Milo | Local shopping service | Shopping | 0 |
| Mimeo | On demand printing service | Office | 0 |
| Mimvi | Mobile apps search engine | Other | 0 |
| MINDBODY | Universal Business Management Solutions | Calendar | 0 |
| Mindgram | Voice telegram service | Telephony | 0 |
| Mindjet | Collaboration and mind-mapping application | Enterprise | 0 |
| MindMeister | Collaborative online mind mapping | Office | 0 |
| Mineful | Customer service and engagement service | Enterprise | 0 |
| MiniStash | URL Shortening Service | Internet | 0 |
| Minneapolis/St. Paul Metro Transit | Transit data service | Transportation | 0 |
| Minnesota CTU dataset | Minnesota mapping database | Mapping | 0 |
| Mint | Web site metrics and reporting | Internet | 0 |
| Minube | Social travel recommendation site | Travel | 0 |
| Minus | Web based drag-and-drop sharing platform | Storage | 0 |
| Mirkolofio Mailinator | Email service | 0 | |
| Mirkolofio Unshortener | URL unshortener tool | Tools | 0 |
| Mirlyn | Library catalog and services | Reference | 0 |
| Missatsamtal.se | Swedish Telemarketer/Unknown Caller Phone Number Database | Database | 0 |
| Miva | Cost per click advertising network | Advertising | 0 |
| Mixcloud | Radio, DJ, and Podcast Hosting Service | Music | 0 |
| Mixendo | Cross-domain request service | Internet | 0 |
| Mixpanel | Website analytics service | Internet | 0 |
| mlkshk | Image sharing service | Photos | 0 |
| MLState OPA | Web application development platform | Security | 0 |
| Mnatives | Bulk SMS messaging service | Messaging | 0 |
| Mnemotechniques Abbreviator | Abbreviation services | Tools | 0 |
| mobiAPI | Mobile data reporting and analysis service | Tools | 0 |
| MobiCart | Mobile commerce management service | Payment | 0 |
| Mobikwik | Mobile phone top up service | Telephony | 0 |
| Mobile Commons | Mobile marketing campaign management service | Telephony | 0 |
| Mobile Commons Legislative Lookup | Legislative representative information service | Government | 0 |
| Mobile Commons mData | SMS messaging and response service | Messaging | 0 |
| Mobile Java Push | Mobile content service | Other | 0 |
| Mobile Phone Megastore | Mobile phone product search service | Shopping | 0 |
| Mobile Roadie | Mobile application service for musicians | Music | 0 |
| Mobile Vikings API | Belgian mobile network operator | Telephony | 0 |
| MobileStorm Communication | Web-based marketing service | Messaging | 0 |
| MobileWorks | Crowd-sourcing employment platform | Job Search | 0 |
| Mobilize Central | SMS mobile marketing services | Messaging | 0 |
| Mobiweb | Bulk SMS messaging service | Messaging | 0 |
| Mobli | Real-time media sharing and social networking platform | Social | 0 |
| Mobyko | Mobile phone syncing service | Telephony | 0 |
| Mogreet | Mobile marketing service | Advertising | 0 |
| Mojo Helpdesk | Helpdesk Service | Tools | 0 |
| Mokugift | Tree planting service | Utility | 0 |
| Mollom | Blog and social site spam prevention services | Security | 0 |
| Mombo | Social movie review service | Social | 0 |
| Moment | Schedule delayed HTTP requests | Tools | 0 |
| Mon.itor.us | Web site monitoring services | Internet | 0 |
| MoneyBird | Online billing service | Enterprise | 0 |
| Moneydirect | Multi channel payment platform | Travel | 0 |
| Moneytrackin | Expense tracking | Financial | 0 |
| MongoLab | Hosted MongoDB database | Database | 0 |
| Monitis Open | Monitoring extension service | Enterprise | 0 |
| Monitro | Website monitoring service | Internet | 0 |
| Monster Web Services Toolkit | Recruiting and job search tools | Job Search | 0 |
| Mood of the Nation | Explore social trends | Social | 0 |
| Mood of the Nation | Social networking service | Social | 0 |
| Moodstocks | Image recognition and search service | Photos | 0 |
| Mopapp | Mobile app sales tracking service | Retail | 0 |
| Morpher | Russian language reference service | Reference | 0 |
| Mortgage Marvel | Mortgage rate quotes service | Real Estate | 0 |
| Mosso Cloud Files | File storage services | Storage | 0 |
| Motime | Ringtone search utility | Music | 0 |
| Motime Chart | Ringtones services | Music | 0 |
| Motionbox | Video sharing service | Video | 0 |
| MotorsportReg.com | Motorsports events and calendar service | Sports | 0 |
| Mougg | Music storage and streaming service | Music | 0 |
| Movable Ink | Live email content service | 0 | |
| MoveDigital | File delivery and management services | Storage | 0 |
| MovieMeter | Retrieve film information in Dutch | Video | 0 |
| Moviepilot | Movie search, information and recommendation service | Recommendations | 0 |
| MovieZine.se | Movie database query service | Video | 0 |
| Movil | SMS messaging | Messaging | 0 |
| Movistar | SMS and MMS Messaging and Status API | Telephony | 0 |
| Movylo Shop | Mobile store creation service | Retail | 0 |
| Mozenda | Data extraction service | Tools | 0 |
| Mozes | SMS messaging service | Messaging | 0 |
| MP3Tunes | Music services | Music | 0 |
| mPayy | Online and mobile payments | Payment | 0 |
| Mphoria | Deal providing service | Shopping | 0 |
| MPP Global Solutions | eCommerce payment platform | Payment | 0 |
| mSense | Metadata generating service | Internet | 0 |
| MSGQ8 | SMS messaging service for Kuwait | Messaging | 0 |
| MSHD.net | Reference information lookup | Reference | 0 |
| Mt Gox | Internet commodity trading service | Financial | 0 |
| MTA | New York City Transit service | Transportation | 0 |
| MTA Bus Time | New York City Transit service | Transportation | 0 |
| MTD | Champaign-Urbana Mass Transit District | Transportation | 0 |
| mtny.mobi | URL shortener service | Tools | 0 |
| Muecs | Media file sharing service | File Sharing | 0 |
| Mugr | Face recognition service | Photos | 0 |
| Multiply | Social networking and media management | Social | 0 |
| MultiURL | Multi link shortening service | Internet | 0 |
| Munin Exchange | Munin Plugin Information Tools | Tools | 0 |
| Murrion Software Blacknight services status | Server monitoring service | Tools | 0 |
| Murrion Software Browser Agent Identification | Browser agent identification service | Internet | 0 |
| Murrion Software IP Address to Geographic Location | Geolocation service | Internet | 0 |
| Murrion Software Send SMS Text Message | Text messaging service | Telephony | 0 |
| Murrion Software Track Email Opens | Email marketing campaign tracking service | 0 | |
| Muselia | Museum mapping service | Education | 0 |
| Musescore | Sheet music sharing service | Music | 0 |
| MuseStorm | Web services tools | Other | 0 |
| Museum of London | Access to museum data | Education | 0 |
| Museum Victoria | Online museum collection | Education | 0 |
| Museumsvokabular | German museum vocabulary retrieval service | Education | 0 |
| MusicDNS.org | Music fingerprinting service | Music | 0 |
| Musicmetric | Music industry data tracking service | Music | 0 |
| Mutationevent QR code generator | QR code generator | Tools | 0 |
| MutluSMS | SMS messaging service | Messaging | 0 |
| Muzu.tv Data | Music video web site | Video | 0 |
| Muzu.tv Player | Music video web site | Video | 0 |
| MXSave | Email backup and recovery service | 0 | |
| My Movies Collection | Movie and TV show collection management service | Entertainment | 0 |
| My Opera | Opera web browser community site | Blogging | 0 |
| My Tweeple | Twitter management service | Social | 0 |
| my6sense Attention | Personalized content aggregator | Internet | 0 |
| MyAds | Self-service advertising platform for the Rubicon Project | Advertising | 0 |
| MyAnimeList | Anime collection referene list | Database | 0 |
| MyAnimeList Unofficial | Anime collection reference service | Other | 0 |
| MyAvoxData | Business entity data | Mapping | 0 |
| myAzimia | Microfinance Database Search | Financial | 0 |
| MyBikeLane | Read-Only API for MyBikeLane and UncivilServants Database | Government | 0 |
| MyChances | College admissions prediction service | Education | 0 |
| MyChores | Chore/Task Tracking and Management | PIM | 0 |
| myCitiScape | College campus information application | Education | 0 |
| Mycitymate Location | Local user reviews and city guides | Recommendations | 0 |
| MyDealBag | Local deals aggregation service | Shopping | 0 |
| Mydeo Media Manager | Video streaming service | Video | 0 |
| Mydrmspace.com | Digital Watermarking Service | Tools | 0 |
| myExperiment | Workflow sharing services | Reference | 0 |
| MyFantasyLeague | American football statistics services | Sports | 0 |
| myFeedz | Blog services | Blog Search | 0 |
| MyFonts | Font store | Reference | 0 |
| Myfxbook | Forex trading service | Financial | 0 |
| myGengo Human Translation | Language translation service | Enterprise | 0 |
| MyGeoPosition GeoPicker | Geocoding and location service | Mapping | 0 |
| myGPSID | Geolocation based ads | Advertising | 0 |
| MyHeritage Family Graph | Free and instant access to millions of families | Social | 0 |
| MyMemory | Language translation service | Tools | 0 |
| MyMemory HTS | On demand human translation services | Tools | 0 |
| MyNewsdesk | MyNewsdesk - The News Exchange Site | News | 0 |
| MyNewsletterBuilder | Email marketing and delivery service | 0 | |
| MyNotify | Feed publication service | Internet | 0 |
| myOneLogin | Login authentication service | Security | 0 |
| Myows | Original works copyright service | Security | 0 |
| MyPW Authentication | Authentication services | Security | 0 |
| MyRobots | Cloud robotics service | Other | 0 |
| MyselfToGo | Social web browsing service | Social | 0 |
| MyShowroom.TV | Live broadcasting service | Video | 0 |
| MyShows | Television viewing service | Other | 0 |
| Mytago | Mobile barcode service | Utility | 0 |
| MyTaskHelper | Database management service | Database | 0 |
| MyTravelToolbox | Travel website application | Travel | 0 |
| MyTTC | Realtime Toronto transit information | Transportation | 0 |
| MyWot | Website reputation service | Security | 0 |
| n0tice | Public notice board | News | 0 |
| NAC Geocoding Address Files | Geocoding and address matching | Tools | 0 |
| NAC Real-time Conversion | Worldwide geocoding information service | Tools | 0 |
| NAC Real-time Mapping | Realtime mapping service | Mapping | 0 |
| NAC Real-time Routing | Realtime driving directions service | Mapping | 0 |
| NakdReality | Augmented reality and location-based service | Tools | 0 |
| Name Toolkit | Domain name search and registration service | Internet | 0 |
| NameCheap | Domain registration and web hosting service | Internet | 0 |
| NameCheap | Website management tools | Internet | 0 |
| Nantes open data | Nantes, France city data | Government | 0 |
| Napster | On-demand streaming music and content | Music | 0 |
| NASA Coordinated Data Analysis System (CDAS) | Space physics instrument data | Science | 0 |
| NASA Moderate Resolution Imaging Spectroradiometer | Satellite data purchasing service | Science | 0 |
| NASDAQ Data-On-Demand | NASDAQ historical stock quote data servcie | Financial | 0 |
| National Broadband Map | US broadband information | Government | 0 |
| National Buyer Listing Service | Real estate buyer data sharing service | Real Estate | 0 |
| National Drug File-Reference Terminology | Clinical information about medications | Medical | 0 |
| National Library of Medicine ChemSpell | Chemical reference database | Medical | 0 |
| National Map Viewer | USGS ArcGIS mapping service | Mapping | 0 |
| National Maritime Museum | Maritime museum online collection | Education | 0 |
| National Practitioner Data Bank | Health care practitioner information service | Medical | 0 |
| National Student Radio Chart | Popular music information service | Music | 0 |
| Natureserve species | Biological data service | Education | 0 |
| Naver Maps | Korean mapping service | Mapping | 0 |
| Navizon ITS | WiFi device tracking service | Security | 0 |
| Navlost NWX Weather | Consolidated weather information service | Weather | 0 |
| Navnelabarotoriets (Name Laboratory) | Dutch baby name recommendations | Recommendations | 0 |
| NAVTEQ Traffic | Local traffic information service | Travel | 0 |
| NCBO BioPortal | NCBO Ontology Tools | Tools | 0 |
| NCEP North American Mesoscale | Weather data retrieval and forecasting service | Weather | 0 |
| NCSU Libraries CatalogWS | Library catalog and services | Reference | 0 |
| NDS Service Delivery Platform | Digital television platform | Video | 0 |
| Nearby.org.uk | Geocoding service for UK | Mapping | 0 |
| NearlyFreeSpeech.NET | Web hosting service | Internet | 0 |
| Needish | Price quote service | Recommendations | 0 |
| NEEScentral | Earthquake engineering services | Science | 0 |
| Nenest | Web forms and application framework | Internet | 0 |
| NEOS | Program optimization service | Tools | 0 |
| NeoSpeech | Text to speech service | Messaging | 0 |
| Net Atlantic | Email marketing service; list and campaign management; bulk email sender; mass email services | 0 | |
| NetAccounts | Online accounting service | Financial | 0 |
| Netalive | Blogging Service | Blogging | 0 |
| Netcetera | Domain Name WHOIS Service | Internet | 0 |
| NetDocuments | Enterprise document management service | Enterprise | 0 |
| Netlog | Social network platform | Social | 0 |
| NetLog | Social networking service | Social | 0 |
| Netmobo FeeFactor | Mobile payment platform | Payment | 0 |
| Nettica | DNS services | Internet | 0 |
| Network for Good Donation | Online giving and donations service | Other | 0 |
| Neurolinq | Digital media marketing | Shopping | 0 |
| NeuStar Port PS | Telephone number information automation service | Telephony | 0 |
| Nevistas News | Hotel and Travel News Search Service | News | 0 |
| New Relic | Web application monitoring service | Internet | 0 |
| New York Times Districts | Political districts service | Government | 0 |
| New York Times Events | Event listing service | Events | 0 |
| New York Times Most Popular | News popularity service | News | 0 |
| New York Times NY State Legislature | NY State legislative member information | Government | 0 |
| New York Times Real Estate | Real estate listings and sale prices | Real Estate | 0 |
| New York Times TimesTags | News tagging service | News | 0 |
| New Zealand National Broadband Map | Broadband Map for New Zealand | Internet | 0 |
| New Zealand Post Tracking | New Zealand parcel tracking service | Utility | 0 |
| NewHaze | Flash games directory | Games | 0 |
| NewsBlur | RSS feed reader | Feeds | 0 |
| NewsCred Platform | News syndication service | News | 0 |
| NewServers | Cloud hosting services | Internet | 0 |
| Newsfeed Lab | News feed and activity stream service | Feeds | 0 |
| NewsIsFree | Online news aggregation | News | 0 |
| NewsKnowledge | News and business information service | News | 0 |
| Newsmonster.org | RSS feed aggregator service | Feeds | 0 |
| Newspaper Club | Newspaper printing service | Other | 0 |
| Nexiwave | Speech recognition platform | Utility | 0 |
| NextBio | Science data research platform | Reference | 0 |
| NextBus | Real-time public transit information | Transportation | 0 |
| NextDB | Hosted database accessible from JavaScript | Database | 0 |
| Nextstop | Travel recommendation service | Travel | 0 |
| Nexus6Studio StockQuote | Access to stock quotes | Financial | 0 |
| NHXS | Contract compliance services | Other | 0 |
| Nibbme | SMS messaging service | Messaging | 0 |
| Nicereply | Email customer service platform | 0 | |
| NileGuide | Travel research and planning service | Travel | 0 |
| Nimbb | Webcam and video streaming service | Video | 0 |
| Nimble | Online relationship management service | Enterprise | 0 |
| Nimbula | Cloud Computing Management | Tools | 0 |
| Ningbo Institute of Technology SOIP | Open API for Searching the NIT Information Portal | Reference | 0 |
| Nirvanix | Internet storage service | Storage | 0 |
| NITLE Blog Census | Blogging platform information service | Blogging | 0 |
| NN.NF | URL shortening service | Tools | 0 |
| NOAA Climate Data Online | Climate tracking data service | Weather | 0 |
| NOAA MADIS | Meteorological data observations | Science | 0 |
| NoiseTube | Noise pollution monitoring service | Tools | 0 |
| Nokia Ovi Maps | Online mapping service | Mapping | 0 |
| Nokia Ovi Maps Rendering | Online mapping service | Mapping | 0 |
| Nokia Ovi Places | Online mapping service | Mapping | 0 |
| NolaPro | Accounting software | Financial | 0 |
| Nomaine | Domain name generator service | Internet | 0 |
| Nonoba | Flash based multiplayer gaming services | Games | 0 |
| nooked | Feed management services for eCommerce | Shopping | 0 |
| Nos Données (Our Data) | Government data | Government | 0 |
| NoSwearing | Swear word filter | Dictionary | 0 |
| Notches | Distributed user reviews service | Recommendations | 0 |
| Noteflight | Online music writing service | Music | 0 |
| Notely | Academic notes and calendar service | Utility | 0 |
| Notify.Me | Web notifications service | Utility | 0 |
| novoseek | Biomedical search engine | Search | 0 |
| NSDL Search | Online science library | Science | 0 |
| NSIDC | Frozen Earth observation datasets | Science | 0 |
| NTNU IME Faculty | NTNU University data | Education | 0 |
| Nuconomy | Web analytics service with social metrics | Internet | 0 |
| NuGram Runtime | Speech recognition service | Telephony | 0 |
| NuMaps | Map based information | Mapping | 0 |
| Numbler | Online spreadsheet service | Office | 0 |
| Numote Live | TV and video engagement platform service | Entertainment | 0 |
| NutchWAX OpenSearch | Search results sharing service | Search | 0 |
| NY Senate | New York state Senate data access | Government | 0 |
| NYC 311 Online | New York City Government data | Government | 0 |
| NYC Open Data | New York City data collection | Government | 0 |
| NZTA Auckland Traffic | Auckland, NZ, traffic data service | Transportation | 0 |
| NZTA Highway Info | New Zealand highway information service | Transportation | 0 |
| NZTA Location Referencing | New Zealand highway mapping and location service | Transportation | 0 |
| NZTA SSDF Segment Manager | New Zealand traffic volume monitoring service | Transportation | 0 |
| O'Reilly Product Metadata Interface | Book and publishing industry metadata interface | Reference | 0 |
| O-Maniac! | Url shortening service | Internet | 0 |
| Oahu Transit Services | Real time transit data service | Transportation | 0 |
| Oakland Crime Reports | crime reports service | Government | 0 |
| Oakland Crimespotting | Oakland, Calif., crime information service | Government | 0 |
| OANDA FXTrade | Foreign exchange online trading services | Financial | 0 |
| ObexCode | Mobile sync and configuration service | Telephony | 0 |
| OCLC Classify | Library catalog classification service | Reference | 0 |
| OCLC QuestionPoint | Library knowledge base access | Education | 0 |
| OCLC Virtual International Authority File | Library authority file service | Tagging | 0 |
| OCR Terminal | Online optical character recognition service | Tools | 0 |
| Octopart Electronics | Electronics parts search services | Shopping | 0 |
| OCWSearch | University course search service | Education | 0 |
| OddsMiner | Sports betting,live scores and results XML feeds | Sports | 0 |
| oDesk | Marketplace for freelancers | Job Search | 0 |
| ODP Search | Article and journal search and aggregator | News | 0 |
| OffeneDaten | Germany open government data | Government | 0 |
| OfferGrid | Deal distribution service | Shopping | 0 |
| Offerpal | Virtual currency monetization service | Financial | 0 |
| Office for National Statistics | UK neighborhood and census data | Government | 0 |
| OfficeDrop | Digital Filing System | Enterprise | 0 |
| Official.fm | Online music management service | Music | 0 |
| OffiServ | Office management service tool | Enterprise | 0 |
| Ofuz | Customer management and invoicing service | Enterprise | 0 |
| Olark | Chat and Website Monitoring Application | Chat | 0 |
| OLO | Online ordering service | Payment | 0 |
| Olopoly | Social commerce platform | Retail | 0 |
| olpcMAP | Education technology mapping service | Mapping | 0 |
| OMA Browser | Proteins search engine | Reference | 0 |
| Omnifone MusicStation | Multi platform music service | Music | 0 |
| OMS | Chat client service | Chat | 0 |
| On Deck Capital | Small business loan service | Financial | 0 |
| Onboard Informatics | Real estate listings and search service | Real Estate | 0 |
| Onboard Lifestyle Search | Real estate listings and search service | Real Estate | 0 |
| Onboard Points of Interest | Real estate listings and search service | Real Estate | 0 |
| Onboard Property Search | Real estate listings and search service | Real Estate | 0 |
| ondi.ro Geocoding | Romanian geocoding service | Mapping | 0 |
| One Time Secret | Secret link generator for sensitive information | Security | 0 |
| Oneall | Social sign in and sharing service | Social | 0 |
| OneBusAway | Realtime Seattle transit information | Transportation | 0 |
| OneDesk | Product management platform | Project Management | 0 |
| OneHourTranslation | Translation service | Tools | 0 |
| OneOutBox | Internet based fax service | Fax | 0 |
| OnePageCRM | Sales management and customer management platform | Enterprise | 0 |
| OneSchool | College campus online resource for students | Education | 0 |
| OneSearchAway | Social search service | Search | 0 |
| ONEsite | Social media and website creation services | Internet | 0 |
| OneSkyApp | Web and mobile app translation management service | Tools | 0 |
| OneStyle Cart | Online shop service | Shopping | 0 |
| OneTrueFan | Community building service | Social | 0 |
| OneWinner.Me | Lottery number selection service | Games | 0 |
| OnForce | Work order handling service | Enterprise | 0 |
| Online Cron Job | Cron job scheduling service | Tools | 0 |
| Online OCR | Web based OCR service | Photos | 0 |
| OnlyWire | Social bookmarklet service | Bookmarks | 0 |
| Onset HOBOlink | Data logger products | Weather | 0 |
| OnSIP VoIP | Telephony service | Telephony | 0 |
| OnSIP XMPP | Real-time notification service | Telephony | 0 |
| OnSugar | Blogging service | Blogging | 0 |
| ONVIF | IP-based security products standardization initiative | Security | 0 |
| Oobgolf | Golf social network | Sports | 0 |
| Ookaboo | Creative Commons photo search service | Photos | 0 |
| Ooyala Analytics | Video analytics services | Video | 0 |
| Ooyala Interactive Video | Interactive video distribution services | Video | 0 |
| Open Archives Initiative | Journal article metadata harvesting service | Education | 0 |
| Open Charge Map | Electric vehicle charging point database. | Reference | 0 |
| Open Context | Museum collection resesarch and reference service | Education | 0 |
| Open Data Badalona | Badalona city data services | Government | 0 |
| Open Data Catalogue Austria | Austria open data | Government | 0 |
| Open Data Euskadi | Basque Country government data | Government | 0 |
| Open Data gencat | Catalonia government data | Government | 0 |
| Open Domesday | Online copy of Domesday Book | Education | 0 |
| Open Images | Audiovisual archive service | Media Search | 0 |
| Open Kent | Kent, England county data | Government | 0 |
| Open Library | Library data access | Reference | 0 |
| Open Source Currency | Virtual currency platform | Financial | 0 |
| Open Source Exchange Rates | Currency exchange rates service | Financial | 0 |
| Open State Project | Provides State Legislative Information | Government | 0 |
| Open Stockholm | Stockholm city data | Government | 0 |
| Open Taobao | Chinese shopping and auction site | Shopping | 0 |
| Open Voice | VoIP telephony services | Telephony | 0 |
| Open Xdrive | Online data storage service | Storage | 0 |
| Open311 | Neighborhood public issue-tracking service | Government | 0 |
| OpenAddresses GeoLocated Address Search | Worldwide address search service | Mapping | 0 |
| OpenAid | Swedish aid tracker | Other | 0 |
| OpenAustralia | Australian government information service | Government | 0 |
| OpenBaltimore | Baltimore City data | Government | 0 |
| openBmap | Find GPS position of cellular networks | Other | 0 |
| OpenCarData | Real time automobile data | Transportation | 0 |
| OpenCellID | Cellular phone location service | Telephony | 0 |
| OpenColorado | Colorado data sharing service | Government | 0 |
| OpenCongress | US government data | Government | 0 |
| OpenCorporates | Corporate information database | Reference | 0 |
| OpenCrypt Video Conversion | Video conversion and management service | Video | 0 |
| OpenCrypt Video Conversion | video conversion | Video | 0 |
| OpenDataPhilly | City of Philadelphia data | Government | 0 |
| OpenDover | Semantic tagging webservice | Tagging | 0 |
| OpenDrive | Online file storage service | Storage | 0 |
| OpenEco | Greenhouse gas production tracking service | Other | 0 |
| openfooty | Open football API data platform | Sports | 0 |
| OpenGeoTracker | GPS data tracking platform | Other | 0 |
| opengov.es | Spain open government data | Government | 0 |
| opengov.fi | Finland open government data | Government | 0 |
| OpenGovernment | State and local government data | Government | 0 |
| Openly Local | Government information tracking service | Government | 0 |
| OpenMenu | Restaurant Menu Sharing Service | Food | 0 |
| Openomy | Online file system | Storage | 0 |
| openparliament.ca | Canadian Parliament Hansards | Government | 0 |
| OpenPlug Studio | Mobile application developement tool | Tools | 0 |
| OpenRouteService | Open GeoData route-finding service | Mapping | 0 |
| OpenSesame | eLearning course management and marketplace platform | Education | 0 |
| OpenSRS | Internet hosting and domain management service | Internet | 0 |
| OpenStack | Authentication for cloud service | Storage | 0 |
| OpenStreetMap Name Finder | Location based information service | Mapping | 0 |
| Opensubtitles | Movie subtitles service | Video | 0 |
| OpenThesaurus | Open source German thesaurus | Dictionary | 0 |
| Opentracker Developer Analytics | Online behavior tracking service | Internet | 0 |
| Opscode Cookbooks | Server automation platform | Internet | 0 |
| Opt It Mobile | Mobile Marketing Application | Messaging | 0 |
| OptimalPayments Netbanx | Online credict card payment service | Payment | 0 |
| Orange Authentication | Authentication service | Security | 0 |
| Orange Click-to-Call | Click to call Internet voice services | Telephony | 0 |
| Orange Contact Everyone | Mobile contacts service | Telephony | 0 |
| Orange Device Capability Enabler | Mobile device checking services | Telephony | 0 |
| Orange Email | Email service | 0 | |
| Orange MMS | Multimedia messaging service | Messaging | 0 |
| Orange Mobeasy Platform | Mobile content service | Internet | 0 |
| Orange Multimedia Conference | Teleconferencing services | Telephony | 0 |
| Orange Payline | Electronic payment service | Payment | 0 |
| Orange Personal Calendar | Calendar service | Calendar | 0 |
| Orange Personal Contacts | Mobile phone contacts service | Telephony | 0 |
| Orange Personal Content | Virtual data storage service | Storage | 0 |
| Orange Personal Favourites | Website bookmarking service | Bookmarks | 0 |
| Orange Personal Messages | Mobile email messaging service | 0 | |
| Orange Personal Photos | Mobile photo sharing | Photos | 0 |
| Orange Personal Profile | Mobile customer profile service | Telephony | 0 |
| Orange Voicemail | Voicemail messaging service | Telephony | 0 |
| Orange VoiceMashup | IVR, Interactive Voice Response system | Telephony | 0 |
| orderTopia | Mobile and online ordering service | Shopping | 0 |
| Orderwave | Order retrieval and management services | Shipping | 0 |
| Oregon Education | Educational assessment data service | Education | 0 |
| OReilly Safari | Book search | Reference | 0 |
| OremGeocoder | Utah geocoding service | Mapping | 0 |
| Origo | Software development and collaboration platform | Project Management | 0 |
| Orion | High-performance computing services | Tools | 0 |
| Orion's Belt | Battle game | Games | 0 |
| Osmek | Web publishing system | Internet | 0 |
| OurShelf | Social cataloging service | Shopping | 0 |
| Outright | Finance, income and expense tracking | Financial | 0 |
| Outune | Web map engine service | Internet | 0 |
| Oventus | SMS messaging service | Messaging | 0 |
| Overlay.TV | Video hosting service | Video | 0 |
| Overpass OpenStreetMap | Collaborative Mapping Service | Mapping | 0 |
| OVH.com | French web hosting company | Internet | 0 |
| Oxford English Dictionary | Dictionary look-up service | Dictionary | 0 |
| Oxygen.next | Online digital signage service | Other | 0 |
| OzMedia | Online marketing platform | Messaging | 0 |
| Padpaw | SMS text messaging services | Messaging | 0 |
| PageGlimpse | Thumbnail generator | Tools | 0 |
| PagerDuty | IT alerting service | Security | 0 |
| Paglo | IT monitoring and management service | Enterprise | 0 |
| PalBee Mashup | Conferencing and collaboration services | Enterprise | 0 |
| PamFax | Internet fax services | Fax | 0 |
| Panacea Mobile Bulk SMS | Bulk SMS messaging service | Telephony | 0 |
| Panda | Video encoding service | Video | 0 |
| Pando | File delivery and management services | File Sharing | 0 |
| PaperBack Swap | Book exchange service | Other | 0 |
| PaperHost | Electronic document management | Enterprise | 0 |
| Papertrail | Server log management service | Internet | 0 |
| ParcelStream | Parcel boundary data for mapping apps | Mapping | 0 |
| Pardot Marketing Automation | Website analytics and marketing | Advertising | 0 |
| ParkingInMotion | Parking information application | Transportation | 0 |
| ParkWhiz | Access to parking and event data | Database | 0 |
| ParsCit | Citation and logical structure parsing service | Science | 0 |
| Parse | Mobile backend platform | Telephony | 0 |
| Parse.ly | Content publisher analytics service | Internet | 0 |
| Parse.ly Recommendations | Recommendations platform | Recommendations | 0 |
| PartySpark | Social events service | Social | 0 |
| PartySync | Messaging services | Social | 0 |
| Paspartout | Online portfolio service | Other | 0 |
| Pastebin.com | Text sharing and storage service | Tools | 0 |
| Patch | Community-specific news and information service | News | 0 |
| Pathfinder | Air cargo tracking service | Other | 0 |
| Pathway Commons | Biological pathway research data service | Medical | 0 |
| Patient Opinion | UK health ratings service | Recommendations | 0 |
| Patrick's Aviation | Aviation Video Data Service | Video | 0 |
| Paxum | eWallet payment service | Payment | 0 |
| PayLeap | Electronic payment service | Payment | 0 |
| PayLoadz | File storage and seller download services | Storage | 0 |
| Payment Vision Pay | Payment processing service | Payment | 0 |
| PaymentExpress | Online credit card processing service | Payment | 0 |
| Payments Gateway | Online payment service | Payment | 0 |
| Paymo | Time tracking service | Enterprise | 0 |
| PayNearMe | Cash payment service | Payment | 0 |
| PayPal Adaptive Accounts | Online payment service | Payment | 0 |
| PayPal Adaptive Payments | Online Payment Service | Payment | 0 |
| PayPal Invoicing | PayPal Invoicing APIs | Financial | 0 |
| PayPal MassPay | Online payment service | Payment | 0 |
| PayPal Payflow Pro | Online payment service | Payment | 0 |
| PayPal Permissions | PayPal permission management service | Security | 0 |
| Pays-Lecture | French media library catalogue | Education | 0 |
| PaySimple | Online payment gateway | Shopping | 0 |
| Payvment | Shopping cart web service | Shopping | 0 |
| PBwiki | Consumer wiki farm | Wiki | 0 |
| PC2Paper Letter Pricing | Digital mail service | Other | 0 |
| PDBj | Protein data bank services | Medical | 0 |
| PDF Alchemy | PDF conversion service | Office | 0 |
| Pdfcrowd | PDF creation service | Office | 0 |
| PDFize | PDF creation tool | Tools | 0 |
| PDFmyURL | Convert HTML into PDF | Office | 0 |
| PDFremix | PDF document editing service | Tools | 0 |
| PDX | Portland geographic and real-time information | Government | 0 |
| Peachnote | Music score search engine and analysis platform | Music | 0 |
| Pearson Correlation Coefficient | Calculator for the Pearson Correlation Coefficient ρ | Tools | 0 |
| Peecho | Digital content to print documents service | Photos | 0 |
| PeekYou Social Analytics | Social network mapping and information service | Social | 0 |
| Peerlo JobGenie | Job recruiting and referral service | Job Search | 0 |
| Peixe Urbano | Brazilian daily deals service | Shopping | 0 |
| Pen.io | Web Page Creation | Internet | 0 |
| PennyTel Open | VoIP provider in Australia | Telephony | 0 |
| Penolo | Twitter sketching tool | Social | 0 |
| People's Music Store | Music store | Music | 0 |
| PeopleAggregator | Social networking platform and service | Social | 0 |
| Peoplebrowsr | Metadata for Twitter stream | Social | 0 |
| PerfectForms | Web form creation software | Office | 0 |
| Performancing | Blog management | Blogging | 0 |
| PermissionTV | Video distribution platform | Video | 0 |
| Personal | Personal Vault and Personal Network | Internet | 0 |
| Persony | Conferencing and collaboration services | Enterprise | 0 |
| Pervasive Data Integrator | Data management and integration service | Storage | 0 |
| PetaProperti | Indonesian real estate service | Real Estate | 0 |
| Petfinder | Petfinder Database Search API | Search | 0 |
| PGiConnect | Email, messaging, and conferencing services | Messaging | 0 |
| PGXN | PostgreSQL metadata distribution service | Other | 0 |
| Phaxio | Fax delivery service | Fax | 0 |
| Pheedo Ping | Rapid Publishing Service | Feeds | 0 |
| Phish.Net | Phish fan site | Music | 0 |
| PHL | Philadelphia geodata | Mapping | 0 |
| PhoneDog | Cell phone information, service data, and news. | Telephony | 0 |
| PhoneGnome | VOIP Phone service | Telephony | 0 |
| Phoneify | Phone Number Verification Service | Telephony | 0 |
| Phonescomplete | Mobile phone database | Shopping | 0 |
| PhoneTag | Voice-to-text service | Tools | 0 |
| PhoneVal | Phone number validation service | Reference | 0 |
| Phono | Web based phone calling and messaging | Telephony | 0 |
| Photopoll | Photo sharing and poll service | Photos | 0 |
| PhotoShow | Photo management service | Photos | 0 |
| PhotoXpress | Digital image store | Photos | 0 |
| Photozou | Photo sharing service | Photos | 0 |
| PHP Object Generator | PHP object generation service | Tools | 0 |
| PHPGraphlib Remote | PHP graph generator service | Tools | 0 |
| Phreadz | Information feed creation service | Feeds | 0 |
| Phweet | Twitter talk service | Telephony | 0 |
| PicApp | Photo sharing service | Photos | 0 |
| Picitup | Visual search service | Search | 0 |
| Picmember | Photo sharing service | Photos | 0 |
| Picozu | Photo and drawing editing and retouching application | Photos | 0 |
| PicScout | Image management service | Photos | 0 |
| Picwing Printing | Photo printing service | Photos | 0 |
| PicYou | Photo sharing service | Photos | 0 |
| PicZasso | Photo hosting service | Photos | 0 |
| Pidoco | Wireframe and prototyping software | Tools | 0 |
| Piins Contacts | Web based contact management | PIM | 0 |
| Pillbox | Medication identification service | Medical | 0 |
| PilotOutlook | International airport data | Reference | 0 |
| Pinch | Mobile analytics service | Tools | 0 |
| Ping the Semantic Web | Semantic web standards service | Internet | 0 |
| Ping-uin | Ping IP or URL tool | Tools | 0 |
| Pingar | Unstructured electronic data management service | Search | 0 |
| PingerFinger | Ping blogs online | Internet | 0 |
| Pinnacle Cart | Shopping cart service | Shopping | 0 |
| PipeJump | Sales and CRM service | Enterprise | 0 |
| PipelineDeals | Online CRM service | Enterprise | 0 |
| Piryx | The Social Giving Platform for Non-Profits | Financial | 0 |
| PivotalTracker | Project management service | Project Management | 0 |
| Pixenate | Online photo editing | Photos | 0 |
| pixlinQ searchimage | mobile visual search | Photos | 0 |
| Pixmac | Stock Photo Service | Photos | 0 |
| piZap | Online photo editing service | Photos | 0 |
| Pizza-Rat Restaurant Health | Restaurant health inspection scores | Food | 0 |
| pknotsRG | RNA secondary structure prediction service | Science | 0 |
| Placecast | Location mapping tool | Mapping | 0 |
| PlaceIQ | Location data and mapping service | Mapping | 0 |
| Placr | UK transit data service | Transportation | 0 |
| Plakatt | Searchable Events Database | Events | 0 |
| Planbox | Project management service | Project Management | 0 |
| Plancake | Task Management Service | PIM | 0 |
| PlanetLab Central | Computer networking research database | Internet | 0 |
| PlanMill | Cloud based business management system | Enterprise | 0 |
| Planning Center | Ministry Planning Tools | Tools | 0 |
| PlanningAlerts | Alerts service for UK local planning alerts | Real Estate | 0 |
| Planyo | Online reservation service | Travel | 0 |
| Plastyc | Online payment and money management service | Payment | 0 |
| Platial | Collaborative geographic service | Mapping | 0 |
| Playnice.ly | Bug tracking service | Tools | 0 |
| PlayPhone | Partner with Playphone to offer Mobile content in over 20 countries | Music | 0 |
| PlaySpan | Virtual currency monetization service | Payment | 0 |
| Playwire | Video hosting and publishing platform | Video | 0 |
| plentyMarkets | eCommerce service | Shopping | 0 |
| Plimus Buy Anyware | Software registration service | Payment | 0 |
| Plings | Places and Activities Database | Entertainment | 0 |
| Plum Voice | Telephony service | Telephony | 0 |
| Plurk | Microblogging service | Blogging | 0 |
| Plus 1 Twitter Voting | Twitter based voting service | Social | 0 |
| Pocket Village | Travel search and booking service | Travel | 0 |
| Podio | Online workplace platform | Office | 0 |
| Point | DNS Hosting Service | Internet | 0 |
| Point-In-Polygon Census Intersection | U.S. Census data mapping service | Mapping | 0 |
| PointLoyalty | Rewards program service | Shopping | 0 |
| PokeTalk | Web Telephony Service | Telephony | 0 |
| Poligraft | Political Entity Extraction Service | Government | 0 |
| Politwitter | Canadian politics social media aggregator | Social | 0 |
| Poll Everywhere | Simple poll service | Utility | 0 |
| PollBob | Poll and survey service | Answers | 0 |
| PollDaddy | Poll and survey service | Utility | 0 |
| Pond5 | Stock media marketplace | Media Search | 0 |
| Pongr Image Recognition | Image Recognition Service | Tools | 0 |
| Poodz | Microblogging service | Blogging | 0 |
| PopCV Semantic | application processing service | Job Search | 0 |
| Popfax | Internet fax service | Fax | 0 |
| PopShops | Affiliate marketing service | Shopping | 0 |
| PORDL | Embed RSS feeds on websites | Widgets | 0 |
| PostageApp | Email management service | 0 | |
| Postcard on the Run | Photo to postcard service | Photos | 0 |
| Postcode Anywhere | UK and international address management software, postcode finder web services and more | Mapping | 0 |
| Postcode Anywhere Address Services | Address capture, lookup and search | Mapping | 0 |
| Postcode Anywhere Customer Profiling | UK population segmentation data service | Reference | 0 |
| Postcode Anywhere Distances and Directions | Business travel data service | Travel | 0 |
| Postcode Anywhere Email Validation | Email validation service | 0 | |
| Postcode Anywhere Geocoding | Geolocation service | Mapping | 0 |
| Postcode Anywhere Government Data | UK government data service | Government | 0 |
| Postcode Anywhere Maps | Online mapping service | Mapping | 0 |
| Postcode Anywhere Payment Validation | Bank and card validation | Security | 0 |
| Postcode Anywhere Route Optimisation | Find best route between locations | Mapping | 0 |
| Postcode Anywhere Store Finder | UK business listings service | Mapping | 0 |
| Postcode Anywhere Worldwide Business Data | Business record database | Reference | 0 |
| Postcode IT | Get addresses from postcodes | Reference | 0 |
| PostMapper | Mapping service for blog posts | Blogging | 0 |
| Postmark | Email management service | 0 | |
| PostRank | Social engagement data analysis service | Feeds | 0 |
| PostRank Real-Time Content | Online social content analysis | Social | 0 |
| PostRank Real-Time Engagement | Social engagement aggregator service | Social | 0 |
| Poszkole.pl | Game Statistics Service | Games | 0 |
| Powerhouse Museum Collection | Online museum collection and datasets | Education | 0 |
| PowerPay | Payment processing service | Payment | 0 |
| Powershop | Electrical power purchasing service | Other | 0 |
| PoxPay | Payment verification service | Payment | 0 |
| Praized | Local user reviews and search service | Recommendations | 0 |
| Praxeon | Medical language search service | Medical | 0 |
| Prayer Planet | Online prayer service | Social | 0 |
| PredictiveIntent IntentPredictionServer | Behavior profiling and filtering service | Tools | 0 |
| Prefinery | Beta program invitation and management service | Other | 0 |
| Preona Readability | HTML text scraping tool | Tools | 0 |
| Presdo | Social events service | Social | 0 |
| Press Association Sport | UK sports data service | News | 0 |
| Presseportal | Press material database for German businesses | Enterprise | 0 |
| PriceSpin | Price Comparison Servcie | Shopping | 0 |
| Primal Semantics | Related idea semantic service | Tools | 0 |
| PrivatBank | Ukraine banking and payment service | Financial | 0 |
| ProcessWire | CMS Design Template Service | Tools | 0 |
| Profiles.im | User profile service | Social | 0 |
| Project Vote Smart | U.S. political data lookup | Government | 0 |
| Projjex | Project management and CRM system | Office | 0 |
| ProofHQ | Online collaborative design review tool | Tools | 0 |
| ProperSpell | Spelling suggesting service | Dictionary | 0 |
| ProSMS | SMS Messaging Service | Messaging | 0 |
| Prosperent | Affiliate marketing ad platform | Advertising | 0 |
| ProStores | CRM and other business applications | Shopping | 0 |
| ProtecMail | Antispam and Antivirus Solutions | Security | 0 |
| ProTexting SMS | SMS messaging service | Messaging | 0 |
| Prototype GeoIP | IP-to-location service | Internet | 0 |
| Prowl | Growl development for iPhone messaging | Utility | 0 |
| ProWorkflow | Time management solutions service | Office | 0 |
| Proximic | Contextual advertising service | Advertising | 0 |
| Proxomo | Social app development platform | Social | 0 |
| ProxyFraud | Proxy detection service | Security | 0 |
| PSLC DataShop | Educational research repository | Database | 0 |
| PSWinCom Intouch | SMS messaging service | Messaging | 0 |
| PSWinCom SMS Gateway | SMS gateway service | Messaging | 0 |
| Psydex AG | Data Mining and Predictive Analysis Service | Tools | 0 |
| PubChem PUG | Molecular library database | Reference | 0 |
| PubEasy | Publishing and book sales information service | Shopping | 0 |
| Public Transit Score | Real estate transit score service | Transportation | 0 |
| Publicaster | Email marketing management | 0 | |
| PublicData.eu | European government open data aggregator | Government | 0 |
| Publishflow | Live Competitor Monitoring for News Publishers | Tools | 0 |
| Publitweet | Twitter widget service | Widgets | 0 |
| Publr | Blogging Service | Blogging | 0 |
| PubMatic | Advertising monetization service | Advertising | 0 |
| PubMLST | Biological database | Reference | 0 |
| Pulse.to | Group SMS/texting service | Chat | 0 |
| PulseFlow | Web and mobile app analytics service | Tools | 0 |
| Punchfork Recipe | Realtime recipe aggregator service | Food | 0 |
| PunchTab | Customer loyalty program | Other | 0 |
| Push Channels | Real-time push service | Internet | 0 |
| Put.io | Online storage | Storage | 0 |
| Pwned.com | Online community for gamers | Games | 0 |
| Pygame | Video game development modules | Games | 0 |
| Python Package Index | Python code database | Reference | 0 |
| Q-Sensei FeedBooster | Webfeed search service | Feeds | 0 |
| Qaiku | Micro-blogging and social network service | Blogging | 0 |
| Qhub | Questions and answers service | Answers | 0 |
| Qik | Mobile video sharing | Video | 0 |
| Qipit | Mobile image scanning services | Enterprise | 0 |
| Qoiob | URL shortening tool | Internet | 0 |
| QR and DMX Barcode Generator | 2 dimensional barcode generator for QR and DMX codes | Utility | 0 |
| QR-Server QR Code | Online QR Code API (a 2D barcode) | Utility | 0 |
| qrd.by | QR code generator | Tools | 0 |
| QRdvark | QR scanning app | Utility | 0 |
| QReate.me | Mobile tagging service | Utility | 0 |
| QRickit QR Code | QR code generation service | Utility | 0 |
| Qrimp | Developer platform with database capabilities | Tools | 0 |
| Qualified Address | US address verification service | Reference | 0 |
| QualityCentral | Product feedback and discussion service | Enterprise | 0 |
| Quantact | Virtual Private Server hosting | Internet | 0 |
| Quantter | Activity and goal tracking application | Goal Setting | 0 |
| QuestionPro | Online survey service | Tools | 0 |
| Questsin | Thesaurus and answers lookup services | Answers | 0 |
| Quetter | Social Q&A website | Answers | 0 |
| Quick File | Online accounting service | Financial | 0 |
| Quicktate | Audio transcription service | Tools | 0 |
| Quintura Site Search | Site search provider | Search | 0 |
| Quixly | Digital Product Delivery Service | Shopping | 0 |
| Quoqu | Microblogging service for finance traders | Financial | 0 |
| Quotations Book | Quotations database | Reference | 0 |
| Quotes on Design | Random Quote Generator | Other | 0 |
| Qwiki | Interactive wiki with media | Search | 0 |
| Qwips | Social voice-tagging service | Social | 0 |
| Rackspace Cloud DNS | Cloud DNS services | Internet | 0 |
| Rackspace Cloud Files | Cloud file hosting | Storage | 0 |
| Rackspace Cloud Identity | Cloud services authentication service | Internet | 0 |
| Rackspace Cloud Load Balancers | Cloud hosting services | Internet | 0 |
| Rackspace Cloud Servers | Cloud hosting services | Internet | 0 |
| Rackspace Email | Email hosting service | 0 | |
| RACO Barcode | Barcode and QR code generation service | Utility | 0 |
| Radbox | Video bookmarking and saving service | Bookmarks | 0 |
| Radian6 SocialCloud | social media monitoring tool | Social | 0 |
| RadioReference | Radio station database | Reference | 0 |
| RadioSherpa | Real-time radio program information | Music | 0 |
| Rainmaker | Get Social Data for Email Contacts | Social | 0 |
| Rambla | Live Video Streaming and Monitoring Service | Video | 0 |
| Random House | Book search and viewing service | Other | 0 |
| random.org | True random number generator | Utility | 0 |
| RandomText.me | Dummy text generator | Tools | 0 |
| Rankur | Social Media Monitoring service | Social | 0 |
| RapidPoints | Rewards program services for small businesses | Enterprise | 0 |
| RapidShare | File sharing and hosting site | File Sharing | 0 |
| RapidSwitch | UK internet hosting service | Internet | 0 |
| Rapleaf Personalization | Email personalization service | Recommendations | 0 |
| RapLeaf Utilities | Data normalization and deduction tool | Utility | 0 |
| RateItAll | User reviews database and services | Recommendations | 0 |
| RatePubs | Pub and bar reviews services | Food | 0 |
| Raveal | Online job search service | Job Search | 0 |
| RaveGeo WebMap | JavaScript Mapping Service | Mapping | 0 |
| Ravelry | Knitting and fiber arts hobbyist social service | Social | 0 |
| Raven SEO Tools | Internet Marketing Tools | Internet | 0 |
| Raven Tools | Search engine optimization services | Search | 0 |
| Raydash | Video chat service | Chat | 0 |
| Razuna | Digital asset management system | Storage | 0 |
| RCSB Protein Data Bank | 3D protein database | Medical | 0 |
| RdbHost | SQL database web service | Database | 0 |
| Rdio | Social Music Service | Music | 0 |
| Read It Later | Save pages to read later | Bookmarks | 0 |
| Readability | Bookmarking & Reading Service | Internet | 0 |
| Readability rdd.me | URL shortening service | Internet | 0 |
| Readernaut | Social book review service | Social | 0 |
| Ready to SMS | Australian SMS texting service | Messaging | 0 |
| ReadyTalk | Webinar and Web Conferencing Service | Internet | 0 |
| Real Estate Cloud MLS | Real estate multiple listing service | Real Estate | 0 |
| RealEDA Reverse Phone Lookup | Lookup address and name via phone | Reference | 0 |
| RealGifts | Service for sending real gifts on Facebook | Shopping | 0 |
| RealGravity | Video hosting platform service | Video | 0 |
| Reality Digital OPUS | Social media management service | Social | 0 |
| Really Simple Systems CRM | Customer relationship management service | Enterprise | 0 |
| RealRadios | Streaming internet radio service | Music | 0 |
| RealSearch FraudGATE | Identity Validation and Fraud Detection service | Security | 0 |
| RealSearch Liberty Criminal | Criminal records search service | Reference | 0 |
| RealSearch TIN Reverse | Tax ID verficiation service | Government | 0 |
| RealSearch Wireless & Cellphone | Wireless carrier database | Reference | 0 |
| Realtors Property Resource | Real estate data service | Real Estate | 0 |
| RealtyBaron Agents | Find a real estate agent service | Real Estate | 0 |
| Receipt Bank | Receipt conversion service | Financial | 0 |
| Recipe Puppy | Recipe database | Food | 0 |
| Reciprocal Research Network | First Nations items research environment | Education | 0 |
| Recollect | Garbage and recycling collection reminder service | Calendar | 0 |
| Record Setter URDB | World record reference site | Reference | 0 |
| Recorded Future News Analytics | Query News Analytics Database | News | 0 |
| Recovery.gov | Recovery Act 2009 data | Government | 0 |
| Recreation.gov | Federal recreation database | Other | 0 |
| Red Condor Provisioning | Message Assurance Gateway Administration and Configuration Tool | Tools | 0 |
| Redbridge DataShare | UK government data | Government | 0 |
| RedCritter | Microsoft Silverlight hosted application service | Tools | 0 |
| Rediff | Social networking service | Social | 0 |
| Redmine | Project management service | Project Management | 0 |
| Reflect | Biology and chemical tagging service | Tagging | 0 |
| Regal Technologies DevConnect | Payment and fraud detection service | Payment | 0 |
| reGame.tv | Gaming video streaming service | Video | 0 |
| Remoteling | Remote code execution and memory storage service | Utility | 0 |
| Renao | Online web design and hosting | Internet | 0 |
| Renderfarm.fi | Online rendering service | Tools | 0 |
| Renren | Chinese social network | Social | 0 |
| RentRange Rental Rate | Real estate pricing service | Real Estate | 0 |
| RentRent | Craigslist rentals data service | Real Estate | 0 |
| ReportGrid | Reporting and Analytics Service | Enterprise | 0 |
| ReportIt | UK government trouble report service | Government | 0 |
| Reppify | Online background check service | Enterprise | 0 |
| Repustate | Social media content analysis platform | Social | 0 |
| Reputer | Genomic repeat detection service | Science | 0 |
| RescueGroups | Provides access to adoptable pet information from thousands of rescues and shelters in the US and Canada. | Search | 0 |
| ResellerClub | Domain name reselling and web hosting services | Internet | 0 |
| Resellers Panel | Web hosting management service | Internet | 0 |
| Responsys Interact | Cross-channel marketing management service | Enterprise | 0 |
| RestBackup | Automatic cloud backup and restore service | Storage | 0 |
| Retailigence | Location-based retail inventory | Shopping | 0 |
| Retweet Rank | Search for the Retweet Rank of any Twitter User | Social | 0 |
| Reverse Australia | Australian reverse phone lookup service | Reference | 0 |
| REVO | Real estate listing and promotion platform | Real Estate | 0 |
| Rezora | Online Marketing for Real Estate Professionals | Real Estate | 0 |
| RezScore | Resume scoring service | Job Search | 0 |
| Rhyming | Rhyming dictionary | Dictionary | 0 |
| RI.gov Open Data | Rhode Island government information | Government | 0 |
| Ribbit Messages | SMS and Voicemail Management Service | Telephony | 0 |
| Ribbit Transcription on Demand | Voice-to-text Transcription Service | Telephony | 0 |
| Richmond Sunlight | Virginia general assembly information aggregator | Government | 0 |
| Right Media Exchange | Advertising management | Advertising | 0 |
| RightNow Connect | Customer experience and cloud application service | Storage | 0 |
| RightSignature | Online document signing | Enterprise | 0 |
| Rijksmuseum | Dutch art museum information service | Education | 0 |
| RimuHosting | Virtual hosting services | Internet | 0 |
| RimuHosting DNS | Domain Name Service | Internet | 0 |
| RingCentral Fax | Internet fax services | Fax | 0 |
| Ringio CRM | Phone call routing service | Telephony | 0 |
| RIOJA Journal Repository | Scholarly article data retrieval service | Science | 0 |
| RIPE Database | Internet Registry Database | Reference | 0 |
| RIPL | Real-time activity stream service | Social | 0 |
| RNAfold | RNA secondary structure prediction service | Science | 0 |
| RNAforester | RNA secondary structure comparison service | Science | 0 |
| RNAhybrid | RNA hybridization prediction service | Science | 0 |
| RNAshapes | RNA shape prediction service | Science | 0 |
| Roar Engine | Social game mechanics game platform | Games | 0 |
| RoboWhois | WHOIS record lookup service | Internet | 0 |
| RockYou Super Wall | Platform for content sharing within Facebook | Social | 0 |
| Roistr | Semantic Relevance Engine | Tools | 0 |
| Rollbase hosted service | Platform for software as a service | Office | 0 |
| Rome2rio | Travel itinerary search service | Travel | 0 |
| Roomorama | Short-term travel rental service | Travel | 0 |
| RouteSavvy | Transportation route optimization service | Transportation | 0 |
| RouteShout | Real-time public transit information | Transportation | 0 |
| RoutoMessaging SMS/MMS | SMS messaging service | Messaging | 0 |
| RPost | Registered email services | 0 | |
| RSSmeme | RSS feed management and filtering service | Feeds | 0 |
| rst2a | Format conversion service | Other | 0 |
| Rubets | Russian gambling site | Games | 0 |
| RubyGems | Ruby community gem hosting service | Reference | 0 |
| Rumblefish | Music licensing service | Music | 0 |
| Rummble | Location-based services | Social | 0 |
| Rummble Labs | Business and personal recommendations | Recommendations | 0 |
| RunKeeper Health Graph | Health & fitness tracking service | Sports | 0 |
| RunSaturday | Runners log tracking tool | Sports | 0 |
| RunwayFinder | Aviation trip planning and mapping service | Travel | 0 |
| Rutamina | Travel route planning and sharing | Travel | 0 |
| Rvolve Hyperlocal Ads | Hyperlocal advertising platform | Advertising | 0 |
| RxNorm | Clinical drug vocabularies | Medical | 0 |
| RxTerms | Drug prescription terminolgies | Medical | 0 |
| SaasGrid | Web OS application development platform | Tools | 0 |
| Saasu | Online accounting service | Financial | 0 |
| sabifoo | IM to RSS conversion service | Messaging | 0 |
| Sabre | Travel industry transaction processing service | Travel | 0 |
| Safe.mn | URL shortening service with security features | Internet | 0 |
| Safe2pee | Gender neutral bathroom search | Search | 0 |
| SafeLinking | Link Securing Service | Security | 0 |
| Saffron Sierra | Natural intelligence database | Database | 0 |
| SagePay Reporting and Admin | Secure online payments service | Payment | 0 |
| SaleLocator | Sales search engine | Shopping | 0 |
| Salesforce.com Apex | CRM services | Enterprise | 0 |
| Salesforce.com Chatter | Salesforce social platform | Enterprise | 0 |
| Salesforce.com Streaming | CRM realtime streaming data | Enterprise | 0 |
| SAManage | IT asset inventory management service | Enterprise | 0 |
| Samepoint Real-Time Social Media | Social Media Monitoring API | Social | 0 |
| SAMHSA | Substance abuse and mental health services | Government | 0 |
| SampleSumo MeloTranscript | Music transcription service | Music | 0 |
| San Francisco Crimespotting | Crimespotting data for San Francisco California | Government | 0 |
| San Francisco Ethics Commission Lobbyist | San Francisco lobbyist information database | Government | 0 |
| San Francisco Open311 | Neighborhood public issue reporting tool | Government | 0 |
| Sao Paolo Open Government | Sao Paolo state government portal | Government | 0 |
| SAP StreamWork Integration | On demand collaborative meeting tool | Enterprise | 0 |
| Sape | Link monetization service | Advertising | 0 |
| Saplo Text Analysis | Text Analysis Tool | Tools | 0 |
| Satellite Situation Center Web (SSCWeb) | Spacecraft location mapping | Science | 0 |
| Sauce Labs | Testing and debugging service | Internet | 0 |
| Savi | Smart Asset management services | Enterprise | 0 |
| Sazneo | Group communication platform | Tools | 0 |
| Scality | Private cloud storage service | Storage | 0 |
| SCHED* | Social Scheduling For Events | Events | 0 |
| Schedules Direct | Television program listing feeds | Feeds | 0 |
| SchoolTube | Video hosting/sharing service for schools | Education | 0 |
| ScienceBase | Geological science data catalog | Science | 0 |
| SciVerse Framework and Content | Science Reference Research Platform OpenSocial | Reference | 0 |
| Scoop.it | Social media and content curation platform | Social | 0 |
| Scopus | Academic citation database | Reference | 0 |
| SCORM Cloud | SCORM cloud computing service | Education | 0 |
| ScraperWiki | Screen scraper wiki | Tools | 0 |
| ScreenSteps Live | Tools for creating visual knowledge bases | Tools | 0 |
| ScreenTunes | Media based search engine | Music | 0 |
| ScreenTweet | Media sharing service | Social | 0 |
| Scribble | Link manager | Bookmarks | 0 |
| Scribe | SEO improvement service | Blogging | 0 |
| Scribendi Editing Services | Editing and proofreading services | Office | 0 |
| ScrumDesk | Scrum project management tool | Project Management | 0 |
| ScrumWorks Pro | Agile project management software | Project Management | 0 |
| Scrumy | Agile project management tool | Project Management | 0 |
| SearchForecast Keywords | Pay per click advertising keyword search and analysis | Advertising | 0 |
| SearchUPC.com | UPC Search with Barcode generator | Retail | 0 |
| Seasoo | Online invoicing service | Office | 0 |
| SeatGeek | Tickets search service | Sports | 0 |
| Seattle 2.0 | Seattle upcoming tech events | Events | 0 |
| Seavus DropMind | Project and idea management | Utility | 0 |
| SEC Watch | Corporate filings service | Financial | 0 |
| Secure Hosting | Secure online payment service | Payment | 0 |
| Sedo | Domain name marketplace | Internet | 0 |
| SeeClickFix | Share non-emergency problems in your neighborhood | Government | 0 |
| SeedFinder | Cannabis strain information service | Reference | 0 |
| SeedPeer | File sharing via BitTorrent | File Sharing | 0 |
| SeeMe SMS | Bulk SMS messaging service | Messaging | 0 |
| Seevl | Music discovery service | Music | 0 |
| SEGUID | Protein sequence ID generation service | Science | 0 |
| Seismi | Earthquake data visualization service | Mapping | 0 |
| Sellaround | eCommerce service | Payment | 0 |
| Semantic Engines Semantic | Semantic analysis of documents or web pages | Internet | 0 |
| SemanticWire | Semantic news reader service | News | 0 |
| SemantiNet Knowledge Graph | Web Data Query Service | Tools | 0 |
| SendBulkSMS | SMS service | Messaging | 0 |
| Sendinc REST | Email encryption services | 0 | |
| Sendinc SMTP | Email encryption services | 0 | |
| SendLabs | Email marketing service | 0 | |
| Sendloop | Email marketing service | 0 | |
| SendMe Mobile | Mobile entertainment service | Entertainment | 0 |
| SendSpace | File Sharing Service | File Sharing | 0 |
| SendTab | Share Links Between Browsers | Bookmarks | 0 |
| SendToReader | Send web pages to Kindle devices | Internet | 0 |
| SendWrite | Paper card sending service | Social | 0 |
| Sensis Business Search | Australian business directory search service | Reference | 0 |
| Sensr.net | Realtime camera upload service | Video | 0 |
| Sentinel Monitoring | Server and website monitoring service | Tools | 0 |
| SentiRate | Sentiment analysis service | Tools | 0 |
| SEO Engine | SEO improvement and implementation service | Internet | 0 |
| SEO metrics | SEO metrics gathering service | Internet | 0 |
| SEOBudget | Search engine promotion valuation service | Tools | 0 |
| SEPTA | Transit Information for Eastern Pennsylvania | Transportation | 0 |
| SeqHound | Bioinformatics research database | Medical | 0 |
| Serence Klip | Desktop gadgets | Widgets | 0 |
| SermonAudio | Audio sermon library service | Reference | 0 |
| Sertifi | E-Signature and Agreement Execution service | Enterprise | 0 |
| Server Density Monitoring API | Server hosting and monitoring service | Internet | 0 |
| ServerCyde | Web application building service | Social | 0 |
| ServerMojo | Web site monitoring service | Internet | 0 |
| Service Outsourcing Knowledge | Wiki based knowledge service outsourcing | Wiki | 0 |
| ServiceM8 | Service job management service | Enterprise | 0 |
| serviceminder | Service provider online solution service | Enterprise | 0 |
| ServiceObjects DOTS Address | Address validation and geocoding services | Mapping | 0 |
| ServiceObjects DOTS BIN Validation | Credit card validation service | Security | 0 |
| ServiceObjects DOTS Demographics | Zip code level demographic service | Reference | 0 |
| ServiceObjects DOTS Email Validation | Email validation service | 0 | |
| ServiceObjects DOTS Fast Tax | Sales tax calculation service | Tools | 0 |
| ServiceObjects DOTS IP Address Validation | IP address validation service | Internet | 0 |
| ServiceObjects DOTS Lead Quality Solutions | Lead data validation service | Enterprise | 0 |
| ServiceObjects DOTS Name Validation | Name validation and parsing service | Tools | 0 |
| ServiceObjects DOTS Phone Services | Phone lookup and validation service | Telephony | 0 |
| ServiceSidekick | Online CRM service | Enterprise | 0 |
| SesameVault | Video sharing service | Video | 0 |
| SetLinks | SEO link buying service | Internet | 0 |
| setlist.fm | Wiki-like service to collect and share setlists | Music | 0 |
| Setster | Appointment scheduling widget | Calendar | 0 |
| Seznam Captcha | Captcha creation service | Security | 0 |
| Sfax | Cloud-based secure faxing service | Fax | 0 |
| SFR MMS | Mobile MMS service | Messaging | 0 |
| SFR SMS | Mobile SMS service | Messaging | 0 |
| Shakespeare | Shakespearian play quote origin identification service | Reference | 0 |
| Shareaholic | Social link-sharing service | Social | 0 |
| ShareASale Affiliate | Affiliate marketing network reports | Other | 0 |
| ShareASale Merchant | Affiliate marketing | Shopping | 0 |
| Shared Count | Social Network Tracking Service | Social | 0 |
| SharedBookshelves | Book sharing service | Social | 0 |
| shelby.tv | Online video sharing and discovery service | Video | 0 |
| Sherpa Romeo | Journal publishing service | Reference | 0 |
| ShifD | Content shifting between mobile and computer service | Tools | 0 |
| Shiftboard | Online business scheduling service | Enterprise | 0 |
| ShiftPlanning | Employee scheduling service | Enterprise | 0 |
| Shiny Ads | Self service ad platform | Advertising | 0 |
| Shipping Gear | eCommerce shipping calculation service | Shipping | 0 |
| Shipwire | Warehouse and shipping service | Shipping | 0 |
| Shockedfish | Video game price comparison service | Shopping | 0 |
| Shoeboxed | Receipt organizing service | Enterprise | 0 |
| ShootProof | Photograph proofing, sharing, and selling platform | Photos | 0 |
| ShopSense | Online fashion search and shopping | Shopping | 0 |
| ShopWindow | Comparison shopping service | Shopping | 0 |
| Short and tweet | URL shortening service | Internet | 0 |
| shortr | URL shortening service. | Internet | 0 |
| Shorty | URL shortening tool | Utility | 0 |
| Shotbot | Web page screen capture tool and thumbnail generator | Utility | 0 |
| ShotCode | Allows phones to act as barcode scanners | Telephony | 0 |
| Shoudio | Location Based Audio Platform | Social | 0 |
| ShowClix | Ticket search service | Events | 0 |
| ShowMyIP | IP geolocation service | Internet | 0 |
| Shr.Im | URL Shortening Service | Internet | 0 |
| Shreeweb Bulk SMS | Bulk SMS messaging service | Messaging | 0 |
| ShreveSearch Search | Shreveport-Bossier LA area search services | Search | 0 |
| Shropshire Council | UK government portal | Government | 0 |
| Shtoss | Online gaming portal | Games | 0 |
| Shutter | Photo and video sharing service | Photos | 0 |
| Shutterfly | Photo printing service | Photos | 0 |
| Shutterstock | Photo sharing and storage service | Photos | 0 |
| Sierra Trading Post | Outdoor clothing and gear retailer | Shopping | 0 |
| Sifter | Bug and issue tracking service | Tools | 0 |
| Sightwalk | German streetview service | Mapping | 0 |
| Signal | Interactive mobile and email marketing platform | Messaging | 0 |
| Silentale | Consolidate contacts and messages in a personal archive | Tools | 0 |
| Silo Breaker | News and information service | News | 0 |
| Silverpop | Marketing automation service | 0 | |
| SilverRail Technologies | Rail travel planning service | Travel | 0 |
| Similar Site Search | Website information service | Internet | 0 |
| Similar Sites | Search API for Finding Similar Websites | Internet | 0 |
| Simple Sales Tracking | Sales tracking service | Financial | 0 |
| SimpleDB | Temporary data storage services | Storage | 0 |
| SimpleGeo Context | Location Context Search | Mapping | 0 |
| SimpleMappr | Point map creation service | Mapping | 0 |
| SimpleName | New Zealand domain name lookup service | Utility | 0 |
| Simplenote | Personal information management service | Utility | 0 |
| SimplePie Live | Access RSS and Atom feeds with JavaScript | Feeds | 0 |
| SimpleText | Online writing sync service | Internet | 0 |
| SimpleUPC | Product information database | Reference | 0 |
| SimpleWorker | Cloud based background job scheduler | Tools | 0 |
| Simprove Workity | Online collaboration and project management service | Project Management | 0 |
| Simunix T2A | UK directory data services | Reference | 0 |
| Simwood eSMS | SMS Service and Management Tools | Telephony | 0 |
| Sina Weibo | Chinese microblogging service | Social | 0 |
| Sindice | Semantic data search and extraction service | Search | 0 |
| Singapore Geocoder | Singapore postal code geocoder | Mapping | 0 |
| SinglePlatform | Restaurant Menu and Local Business Storefront API | Food | 0 |
| SingTel inSing Business Search | Mobile business search service | Search | 0 |
| SingTel Messaging | Mobile network service | Telephony | 0 |
| SingTel Phone Type | Mobile network service | Telephony | 0 |
| SingTel Single Sign On | Mobile network service | Telephony | 0 |
| SingTel WAP Push | WAP Push service | Telephony | 0 |
| Sipgate | Internet telephone service provider | Telephony | 0 |
| Site Stats | Website traffic tracking service | Internet | 0 |
| Site24x7 | Website monitoring | Internet | 0 |
| SiteKreator | Website builder | Internet | 0 |
| SitePal Server | Speaking avatar creation service | Other | 0 |
| Siter | Domain dialing service | Telephony | 0 |
| Sitestat OneCall | Data intregration and publication service | Enterprise | 0 |
| SiteUptime | Website Monitoring Service | Internet | 0 |
| SitOrSquat | Public bathroom finding service | Search | 0 |
| Skanetrafiken | Skånetrafiken transit information | Transportation | 0 |
| Skicow | Skiing | Widgets | 0 |
| Skiddle | UK events guide | Events | 0 |
| Skimlinks | Create affiliate retail links | Shopping | 0 |
| Skimlinks Everyfeed | Product feed service | Shopping | 0 |
| Skinnyr | Weight loss tracking service | Goal Setting | 0 |
| Sklik | Marketing and Advertisement service | Advertising | 0 |
| Skwish URL | URL Shortening Service | Internet | 0 |
| Skyclerk | Online accounting service | Financial | 0 |
| Skyrock | Blog Management Tool | Blogging | 0 |
| Skyscanner | Flight and travel search engine | Travel | 0 |
| SkyServer | Astronomical data and image service | Science | 0 |
| Slicehost SliceManager | Web hosting services | Internet | 0 |
| SlideBomb | Slideshow creation service | Video | 0 |
| SlideShare Player | Presentation customization service | Office | 0 |
| SlideSix | Presentation sharing service | Office | 0 |
| Slifeshare | Lifestreaming network | Social | 0 |
| SlimTimer | Personal task timer | Utility | 0 |
| Slug.ch | Swiss blog search engine | Search | 0 |
| Smarkets | Social prediction market | Other | 0 |
| SMART | Protein domain identification and annotation service | Science | 0 |
| SmartBear AlertSite | Web performance monitoring service | Internet | 0 |
| SmartDebit | Direct debiting service | Payment | 0 |
| SmartFile | File sharing and FTP service | File Sharing | 0 |
| Smartling | Real time web translation service | Internet | 0 |
| smartRealm SNAP | Social network analysis tool | Social | 0 |
| SmartTravelDeals | Travel offer publishing and search | Travel | 0 |
| SmartTurn | Inventory management software | Enterprise | 0 |
| SMEStorage Multi Cloud | Cloud storage service | Internet | 0 |
| SMS 55 | SMS messaging service | Messaging | 0 |
| SMS Action | SMS messaging service | Messaging | 0 |
| SMS Everywhere Messaging | SMS messaging service | Messaging | 0 |
| SMS Freedom | Bulk text messaging service | Messaging | 0 |
| SMS Global | SMS messaging service | Messaging | 0 |
| SMS GupShup | SMS Group Message Service | Telephony | 0 |
| smsBug | SMS messaging services | Messaging | 0 |
| SMSConCuba | SMS messaging to Cuba | Telephony | 0 |
| SMSCountry | India/south Asia SMS messaging service | Messaging | 0 |
| SMSgol | SMS messaging service | Messaging | 0 |
| SMSified | SMS messaging service | Messaging | 0 |
| SMSimple | Internet SMS service | Messaging | 0 |
| SMSpoint | Bulk SMS messaging service | Messaging | 0 |
| SMStrade | SMS messaging service | Messaging | 0 |
| smsways | Greek mobile SMS service | Messaging | 0 |
| Smynx | Search and coordination services for meeting up | Social | 0 |
| SnapBill | Online billing service | Financial | 0 |
| SnapEngage Event | Live chat support | Chat | 0 |
| SnapFish Publisher | Photo printing service | Photos | 0 |
| Snappr.net | Barcode decoding and creation services | Utility | 0 |
| SnappyTV | Real-time video and social media advertising platform | Advertising | 0 |
| Sni.ps | Bookmarking and attribution service | Bookmarks | 0 |
| Snipplr | Source code sharing service | Other | 0 |
| Snipplr | Source code repository | Other | 0 |
| Snipr | URL Shortening Service | Internet | 0 |
| Snipt | Service for sharing code snippets | Tools | 0 |
| Snipt.net | Code Snippet Sharing Service | Tools | 0 |
| Snoopon.me | Screen sharing service | Social | 0 |
| Snooth | Wine recommendations service | Recommendations | 0 |
| SNOTEL | Snowpack data service | Science | 0 |
| Social Entrepreneur | Database of social entrepreneurs | Social | 0 |
| Social Gaming Network | Developer platform for social games | Games | 0 |
| Social Gold | Online gaming payment and virtual currency service | Payment | 0 |
| Social Networks Software | Online software for social network creation | Social | 0 |
| Social Report | Social analytics platform | Social | 0 |
| Social Translator | Community translation service | Social | 0 |
| Social Video Bytes | Social application-based advertising network | Advertising | 0 |
| Social Whale | Twitter service extensions | Social | 0 |
| Socialbel | Community translation service | Tools | 0 |
| Socialcast | Aggregated collaboration service | Enterprise | 0 |
| SocialGO | Social network platform | Social | 0 |
| Socialight | Social community | Social | 0 |
| Socializando Llevame | Mexico City directions service | Tools | 0 |
| Socialize | Mobile App Social Engagement | Social | 0 |
| Socializr | Event listing service | Events | 0 |
| socialmod | User Generated Content Moderating Service | Social | 0 |
| Socialtext | Data managment service | Internet | 0 |
| SocketLabs Email On Demand | Hosted on demand email service | 0 | |
| Socrata Open Data | Online data sharing service | Government | 0 |
| Sofanatics | Virtual sports fan network platform | Sports | 0 |
| SoftLayer | Systems management and monitoring | Internet | 0 |
| Softonic | Catalog of downloadable software | Reference | 0 |
| SoGeo | Location aware business platform | Social | 0 |
| Sogou Search Marketing | Chinese search engine | Search | 0 |
| Solutecia | Artificial Intelligence based tools | Tools | 0 |
| Solve360 | Online CRM service | Enterprise | 0 |
| Some Murrays Website Summaries | Web site parsing tool | Tools | 0 |
| Sometrics | Social network analytics and monetization tools | Social | 0 |
| Sonatype Nexus | Development repository manager | Other | 0 |
| Songbird | Music and media streaming service | Music | 0 |
| Songsterr | Tablature service for guitar tabs | Music | 0 |
| SonicLiving Concerts | Online concert listing service | Music | 0 |
| Sonico | OpenSocial service | Social | 0 |
| Sonos Music | Multi room audio system | Music | 0 |
| Sony Ericsson Track ID | Music Recognition | Music | 0 |
| Soocial | Address book sync service | Office | 0 |
| Sorenson 360 | Video encoding service | Video | 0 |
| SoundBite | Unified messaging service for voice, text, and email | Telephony | 0 |
| soundtoys | Visual artists works repository | Music | 0 |
| Sourberry | Sourberry Internet Radio Status Tool | Music | 0 |
| Sourcemap | Understand the green impact of supply chains | Other | 0 |
| South African YellowPages Maps | Mapping service | Mapping | 0 |
| Space Physics Interactive Data Resource | Astronomy and physics data service | Science | 0 |
| SpamID.net IP Locator | IP address geolocation service | Internet | 0 |
| Sparked | Microvolunteering platform | Other | 0 |
| SPARQcode QRGen | Create custom QR Codes | Utility | 0 |
| SpatialStream | SaaS geospatial application service | Mapping | 0 |
| SpeakerRate | Event online community service | Events | 0 |
| SpeakerText | Online transcription service | Tools | 0 |
| speechapi | Speech recognition and text to speech service | Tools | 0 |
| Speek | Web based voice conferencing service | Telephony | 0 |
| Spellchecker.net | Spelling correction service | Reference | 0 |
| Spicynodes | Mind map and visualization platform | Widgets | 0 |
| Spiderline Site Search | Domain specific site search service | Search | 0 |
| SpiderOak DIY | Archival backup and restore service | Storage | 0 |
| Spigit | Enterprise social network mining | Social | 0 |
| Spil Games | Online gaming portal | Games | 0 |
| Spinn3r | Blog search index service | Blog Search | 0 |
| SpinVox | Voice to text service | Tools | 0 |
| Spire ITIS | Taxanomic serial number and scientific name database | Science | 0 |
| spire.io | Back-end API provider for application development | Internet | 0 |
| Splitable | Cost splitting application service | Payment | 0 |
| Splunk | IT data searching and archiving service | Tools | 0 |
| Spongecell | Online calendar service | Calendar | 0 |
| Sports Power | Highschool sports ranking service | Sports | 0 |
| SportsDirect | Sports feeds service | Sports | 0 |
| Spot2be | Online and mobile location sharing | Social | 0 |
| Spotify Apps | Music search and streaming service | Music | 0 |
| Spotzot | Deal targeting and loyalty program service | Advertising | 0 |
| Spreadshirt | eCommerce apparel store service | Shopping | 0 |
| Spreaker | Live internet radio platform | Internet | 0 |
| Spree Commerce | Open source eCommerce service | Shopping | 0 |
| Spreedly | Subscription payment service | Payment | 0 |
| SpringCM | Cloud-based enterprise content management service | Enterprise | 0 |
| Springnote | Wiki platform service | Wiki | 0 |
| Springpad | Notebook and notes application service | Office | 0 |
| Sprint | SMS and MMS messaging service | Telephony | 0 |
| Sprint Geofencing | Geolocation support service | Telephony | 0 |
| Sprint Location | Mobile geolocation service | Telephony | 0 |
| Sprint Presence | Mobile network service | Telephony | 0 |
| Spy Dialer | Missed call identifier service | Telephony | 0 |
| Sqoot | Local deals aggregation service | Shopping | 0 |
| Squarespace | Website publishing tool | Internet | 0 |
| SRC Demographics | Demographic reference data | Reference | 0 |
| Stack Overflow | Programming question and answer site | Answers | 0 |
| StackMob | Mobile backend platform | Tools | 0 |
| STANDS4 Definitions | Dictionary definition service | Dictionary | 0 |
| StatsMix | Track business metrics on dashboards | Internet | 0 |
| stdicon | Icons for standard site or file types | Internet | 0 |
| StealthModeWatch | Business information service | Financial | 0 |
| Steam Web | Game data retrieval service | Games | 0 |
| Stella | Web site monitoring service | Internet | 0 |
| Stereomood | Internet radio service | Music | 0 |
| StesCodes Contact Grabber | Address book data extraction service | Social | 0 |
| Steve In Action | Museum social tagging project | Tagging | 0 |
| Stickybits | Attach digital content to barcodes | Other | 0 |
| StickyStreet | Loyalty & Customer Management System | Shopping | 0 |
| Stochastic IMDb | Unofficial IMDb service | Entertainment | 0 |
| Stock Market Data | Stock market data service | Financial | 0 |
| Stocklytics Company Data | Company Data Lookup Service | Financial | 0 |
| Stocklytics Historical Stock Prices | Historical Stock Price lookup service | Financial | 0 |
| Stocklytics Intraday Historical Stock Prices | Daily Stock Price lookup service | Financial | 0 |
| Stocklytics Stock News | Stock news service | Financial | 0 |
| Stocklytics Stock Tweets | Realtime tweets about stocks | Financial | 0 |
| StockTwits | Investing ideas social serivce | Financial | 0 |
| Stop Forum Spam | Database of online forum spammers | Internet | 0 |
| StorageRoom | Cloud based mobile data CMS | Storage | 0 |
| Storify | Create Stories from Social Media Posts | Social | 0 |
| Straight-Street | Icon database search service | Other | 0 |
| Straker Translation | Translation services | Tools | 0 |
| Strand Map | Interactive mind-mapping service | Education | 0 |
| Strand Map Service | Interactive maps for students and teachers | Education | 0 |
| Strands Social Recommender | Social Recommendations API | Recommendations | 0 |
| StreamAPI | Video streaming service | Video | 0 |
| Streamfinder | Streaming radio station directory | Music | 0 |
| Streaming Video Provider | Hosted media storage and streaming service | Media Management | 0 |
| Streamload | Online media storage | Media Management | 0 |
| Streampad | Music streaming service | Music | 0 |
| StreamSend | Email marketing service | 0 | |
| StreetEasy | New York Real Estate search and information | Real Estate | 0 |
| StrikeIron Address Distance | Calculation of distances between addresss | Other | 0 |
| StrikeIron Address Verfication | Global address verification service | Reference | 0 |
| StrikeIron Baseball Stats | Major League Baseball data service | Sports | 0 |
| StrikeIron Do Not Call | Telephone number verification serice | Reference | 0 |
| StrikeIron Email Verification | Email verification service | 0 | |
| StrikeIron Insider Trading | Insider trading transaction information | Reference | 0 |
| StrikeIron Lite Web Services | Financial, census data, phone numbers, and other data | Reference | 0 |
| StrikeIron Mobile Email | Mobile email messaging service | Messaging | 0 |
| StrikeIron Phone Number Enhancement | Adds address and statistical data based on phone number | Reference | 0 |
| StrikeIron Residential Lookup | Residential directory lookup and validation service | Reference | 0 |
| StrikeIron Sales Tax Basic | Sales and use tax data service | Reference | 0 |
| StrikeIron US Addresses | US address verification service | Other | 0 |
| StrikeIron Zacks Company Profile | Corporate profiles web service | Reference | 0 |
| Strongsteam | Artificial intelligence tools | Tools | 0 |
| stSoftware Job Track | Online data management system | Enterprise | 0 |
| Stumble.to | Automatic check in to Foursquare service | Social | 0 |
| StyleFeeder | Recommendations service | Recommendations | 0 |
| SubHub | Website creation and content management service | Tools | 0 |
| Sublight | Subtitle acquisition service | Entertainment | 0 |
| SublimeVideo | HTML5 video player service | Video | 0 |
| SubscriberMail | Email marketing service | 0 | |
| SubSift | Research Community Resource | Recommendations | 0 |
| Subsonic | Music streaming service | Music | 0 |
| Subuno | Fraud monitoring service | Security | 0 |
| Subway SubCard | Subway purchase tracking and reward service | Food | 0 |
| Sugestio | Online recommendation engine | Recommendations | 0 |
| Summarity | Web page text summarization tool | Internet | 0 |
| SUMOTEXT SMS Gateway | SMS messaging service | Messaging | 0 |
| Sunlight Foundation's Party Time! | Political fundraiser invitation database | Government | 0 |
| Sunlight Labs Real-time Congress | Near Real-Time Information on the Current Congress Session | Government | 0 |
| Sunnytrail | Small business analytics service | Enterprise | 0 |
| Suomi.fi | Finland government services portal | Government | 0 |
| Super Rewards | Virtual currency monetization platform | Financial | 0 |
| Superbreak | Travel booking services | Travel | 0 |
| SuperFish | Visual search service | Search | 0 |
| Supermarket | Grocery item and supermarket information service | Food | 0 |
| SuperSaaS | Online appointment scheduling service | Office | 0 |
| SuperTweet | Twitter analysis, metadata, and monetization services | Social | 0 |
| SuperTweet.net | Access to Twitter API without OAuth | Social | 0 |
| SupportBreeze | Support email tracking service | 0 | |
| Survey Console | Online survey service | Tools | 0 |
| SurveyAnalytics | Research feedback platform | Enterprise | 0 |
| Surveygizmo | Online survey service | Internet | 0 |
| SUSE Studio | Linux building service | Tools | 0 |
| SveaWebPay | Online credit card and installment payment service | Payment | 0 |
| SwapThing | Community driven swapping site | Shopping | 0 |
| Sweden PTS | Swedish telecom agency | Telephony | 0 |
| SweetSpot | Diabetes management service | Other | 0 |
| SwiftCD | Custom CD/DVD ordering service | Shopping | 0 |
| Sylantro | Hosted VoIP services | Telephony | 0 |
| Syllabs | Symantic text analysis service | Tools | 0 |
| Symbaloo | Personalized internet startpage service | Internet | 0 |
| Syncd | Project time tracking and tasks | Project Management | 0 |
| Syncfriend | Contact syncing service | Tools | 0 |
| Syncode Synotes | Note taking and management apps | PIM | 0 |
| SyncTV | Media Streaming Service | Video | 0 |
| Synonyms | Online thesaurus | Reference | 0 |
| T-ma-tic | Semantic meaning and connections service | Internet | 0 |
| t0.tv | URL Shortening Service | Utility | 0 |
| Ta with you | Machine translation service | Utility | 0 |
| Tabblo | Web based printing service from HP | Other | 0 |
| Tactile CRM | Online CRM service | Enterprise | 0 |
| Tagalag | Email tagging | Tagging | 0 |
| Tagatum | Blog tags repository services | Tagging | 0 |
| tagdef | Twitter hashtag definitions | Social | 0 |
| TagFinder | Tag extraction service | Tagging | 0 |
| Tagga SMS | Ad support SMS message service | Messaging | 0 |
| Tagged | Social networking service | Social | 0 |
| Taggify | Social commenting and photo sharing widget | Social | 0 |
| tagthe.net | Tag recommendation service | Tagging | 0 |
| TagWorld | Social web services | Widgets | 0 |
| Tagyu | Tag recommendation service | Tagging | 0 |
| Taleo | Workforce management services | Enterprise | 0 |
| Talis | Linked Data hosting platform | Database | 0 |
| Tall Umbrella | VoIP notifications service | Telephony | 0 |
| Tangler | Discussion forums services | Internet | 0 |
| Taobao Open Platform | Online Chinese shopping platform | Shopping | 0 |
| Tap.Me | In game advertising service | Advertising | 0 |
| Tap2print | Photo apps monetization service | Photos | 0 |
| target | Semantic targeting and personalization service | Recommendations | 0 |
| Taringa | Social networking in Argentina | Social | 0 |
| Taskbarn | Project management and collaboration tools | Tools | 0 |
| Taskforce | Service that converts emails to tasks | PIM | 0 |
| Tasko | Task Management Service | PIM | 0 |
| TasteKid | Taste discovery service | Recommendations | 0 |
| TaxCloud | Sales tax calculation service | Financial | 0 |
| Taxi Magic | Taxi booking service | Travel | 0 |
| Taykt | SMS messaging service | Messaging | 0 |
| TD Ameritrade Veo | Financial advisor platform | Financial | 0 |
| Team Cowboy | Sports team management site | Sports | 0 |
| TeamDesk | Web based database application service | Other | 0 |
| Teamly | Task tracking tool | Project Management | 0 |
| TeamSnap | Team management and organization service | Sports | 0 |
| TeamSupport.com | Online customer service and help desk | Enterprise | 0 |
| TeamWork Live | Project management software | Project Management | 0 |
| TeamworkPM | Project Management Service | Project Management | 0 |
| Teidu Mikroblog | Micro Blogging Service | Blogging | 0 |
| Teleflip flipOut | Mobile email messaging service | Messaging | 0 |
| Telefonica Open Movilforum | SMS and MMS message service | Messaging | 0 |
| Teleku | Phone and SMS application service | Telephony | 0 |
| TeleNav AJAX Maps | Integration service for TeleNav maps | Mapping | 0 |
| TeleNav GeoCloud | Location based service integration | Mapping | 0 |
| TeleNav Share | Enables sending addresses from web to phone | Messaging | 0 |
| TeleNav Track | Location based monitoring and reporting service | Project Management | 0 |
| Telenor Click to Call | Web-based Click to Call Service | Telephony | 0 |
| Telenor Location | Mobile Phone Positioning Service | Telephony | 0 |
| Telenor Payment | Content Access Billing Service | Payment | 0 |
| Telenor SMS | SMS messaging service | Telephony | 0 |
| Telenor SMS Alert | Bulk SMS Alert Delivery Service | Telephony | 0 |
| Telenor Status Push | Mobile Phone Status Service | Telephony | 0 |
| Telephony Intelligence Data Services | Telephony customer data service | Telephony | 0 |
| TeleSign | Telephone based verification services | Telephony | 0 |
| Telesocial | voice calling in social networks | Social | 0 |
| TeliaSonera Calendar | Calendar creation tool | Calendar | 0 |
| TeliaSonera Contacts | Address book organization tool | Other | 0 |
| TeliaSonera Developer Location | Cell based location service | Telephony | 0 |
| TeliaSonera Developer Redirect | URL redirection and storage service | Utility | 0 |
| TeliaSonera Landmark API | Location tracking service | Mapping | 0 |
| TeliaSonera Messaging | SMS messaging service | Messaging | 0 |
| TeliaSonera Presence | Presence information and status updating tool | Social | 0 |
| TeliaSonera SMS Poll | Mobile poll creation service | Messaging | 0 |
| TeliaSonera SMS Receive | SMS messaging service | Messaging | 0 |
| TeliaSonera Tag | 2 Dimensional barcode generator | Utility | 0 |
| TeliaSonera Temporary Storage | Temporary file storage service | Storage | 0 |
| Tell Them What You Think | UK government consultations database | Government | 0 |
| Tellmewhere | Location sharing service | Recommendations | 0 |
| TellMyCell | SMS Messaging Service | Messaging | 0 |
| TelPages | .Tel domain registry service | Internet | 0 |
| TelVue PEG.TV | Cloud-based streaming video service | Video | 0 |
| Tender Support | Customer service and helpdesk service | Tools | 0 |
| Tendril | Energy usage metrics service | Tools | 0 |
| Terremark vCloud Express | Cloud computing service | Internet | 0 |
| Tesco | UK grocery chain | Shopping | 0 |
| Testcover.com | Software testing service | Other | 0 |
| TestingBot | Website testing in multiple browsers service | Utility | 0 |
| Texas Holdem | Poker game creation service | Games | 0 |
| Text Disguise | Image-based captcha service | Security | 0 |
| Text-Processing.com | Text Processing Service | Tools | 0 |
| Textanywhere | SMS service | Messaging | 0 |
| textCAPTCHA | Text-based captcha service | Security | 0 |
| Textingit | SMS Messaging services | Messaging | 0 |
| Textingly | Web-based text messaging service | Messaging | 0 |
| TextMagic | Bulk SMS messaging service | Messaging | 0 |
| TextMarketer SMS | SMS messaging service | Messaging | 0 |
| TextMarks SMS | SMS text messaging service | Messaging | 0 |
| TFL Cycle Hire | Real-time UK Cycle Hire data service | Transportation | 0 |
| ThankThank Notes | Hand-written thank you note service | Other | 0 |
| The Airport Guide | Airport information service | Transportation | 0 |
| The Astrologer | Authentic astrology and horoscopes content | Other | 0 |
| The Buddy Platform | Cloud-based hosting solutions for application developers | Internet | 0 |
| The Chicken | Product review service | Shopping | 0 |
| The Dealmap | Local deals | Shopping | 0 |
| The Easy API | Access multiple API's with one easy to use POST | Tools | 0 |
| The Old Bailey | UK criminal court record search service | Government | 0 |
| The Oxford Celtic Coin Index | British coin collection images and data | Education | 0 |
| TheBus | Real-time public transit information | Transportation | 0 |
| THECALLR | Telephony services | Telephony | 0 |
| theFilthylist.com | Bad word list filtering service | Utility | 0 |
| ThemeForest | Website template service | Internet | 0 |
| thePort Support Community | Online community interaction service | Social | 0 |
| Thesaurus | Multi-languages thesaurus search service | Reference | 0 |
| TheTVDB.com | Television show database | Video | 0 |
| Thinglink | Image interaction service | Photos | 0 |
| ThingSpeak | Networked device information platform | Other | 0 |
| ThingSpeak Charts | Networked device information platform | Other | 0 |
| ThinkFree | Document management services | Office | 0 |
| ThinkGrid | Cloud services platform | Internet | 0 |
| ThinkNear | Local marketing and advertising service | Advertising | 0 |
| ThirdPresence | Mobile video publishing service | Video | 0 |
| This Arcade | High score display tool | Games | 0 |
| Thomas Beyer First Names and Gender | European names lookup service | Reference | 0 |
| Thomson Reuters Knowledge Direct | Business information and analytics | Reference | 0 |
| Thomson Reuters Pharma | Investigational drugs data | Reference | 0 |
| Thrillcall | Music concert, tickets and tour information | Music | 0 |
| Thumbnail Ninja | Image hosting and distribution | Photos | 0 |
| Thumbplay | Mobile. Music. Money. Sell digital media to over 200 million mobile phones from any application, widget or website. | Music | 0 |
| Tianji | Chinese business social networking platform | Social | 0 |
| Ticket Evolution | Secondary ticket sales software | Events | 0 |
| TicketLeap | Ticket information service | Events | 0 |
| TicketStumbler | Ticket search service | Events | 0 |
| TickSpot | Project time tracking and tasks | Project Management | 0 |
| Tiktrac | Timesheet management | PIM | 0 |
| Time 2.0 | Online time tracking and reporting service | Tools | 0 |
| TimeAndDate | Local time, time zone, and date service | Utility | 0 |
| TimeAPI | Online time provider | Utility | 0 |
| TimeLog | Time tracking and project management service | Project Management | 0 |
| Timetric | Statistical analysis tools and data | Reference | 0 |
| TimeZoneDb | Time zone database | Reference | 0 |
| TinEye | Reverse Image Search | Photos | 0 |
| Tiny.cc | URL shortening tool | Tools | 0 |
| Tinychat | Video chat service | Chat | 0 |
| TinyLoad | File distribution service | Storage | 0 |
| TinyPaste | Long Text Shortening Service | Utility | 0 |
| Tinypay.me | Social ecommerce service | Shopping | 0 |
| tinyPM | Service for agile software development teams | Project Management | 0 |
| tinyThom.as | Permanent URL generator for Library of Congress links | Tools | 0 |
| Tipjoy | Aggregator monetization services | Financial | 0 |
| Tippr | Daily deals aggregation service | Shopping | 0 |
| Tixik | Famous places GPS services | Reference | 0 |
| tldr.it | Content Extraction & Summarization | Tools | 0 |
| TLists | Search and browse Twitter lists | Social | 0 |
| TMC SMS Gateway | SMS gateway service | Messaging | 0 |
| to.ly | URL shortening tool | Utility | 0 |
| to.uri.st | Travel and tourist database services | Travel | 0 |
| Todo.ly | To do list service | PIM | 0 |
| Todoist | Personal task list service | PIM | 0 |
| Toggl | Time tracking service | PIM | 0 |
| TokBox OpenTok | Multi party video chat | Chat | 0 |
| TomTom WEBFLEET.connect | Real time fleet and job status | Enterprise | 0 |
| Topica | Email marketing service | 0 | |
| Topics.io | Online content aggregation service | News | 0 |
| Topspin | Direct to fan marketing platform | Music | 0 |
| Toronto Budget Data | City of Toronto budget data service | Government | 0 |
| Toronto Transit Commission Real-Time Arrivals | Real-time Toronto transit information | Transportation | 0 |
| Tossable Digits | Disposable phone numbers service | Telephony | 0 |
| Totspot | Private website creation service | Social | 0 |
| Touch Local | Business locator and review service | Search | 0 |
| Touchatag Configurator | Ubiquitous identity services | Other | 0 |
| TouricoHolidays | Travel booking service | Travel | 0 |
| Tout Live | Real-time marketing service | Social | 0 |
| Toutapp | Email template and campaign service | 0 | |
| TOXNET | Toxicology database | Medical | 0 |
| Trackingo | Personal Data Tracking Service | Database | 0 |
| TrackMyPeople | Time Tracking Service | Tools | 0 |
| Trackur | Social media monitoring tool | Social | 0 |
| Trade Me | New Zealand auction site | Shopping | 0 |
| TradeHill | Internet commodity trading service | Financial | 0 |
| TradeKing | Stock trading and investment service | Financial | 0 |
| Tradera | Swedish online auction marketplace | Shopping | 0 |
| Traffic Light Feedback | Customer feedback service | Enterprise | 0 |
| TrafficViolators | Community traffic watch initiative | Travel | 0 |
| Trafic.ro | Website analytics service | Internet | 0 |
| Trafiklab | Sweden transportation information | Transportation | 0 |
| trakt.tv | Television tracking and recommendation service | Recommendations | 0 |
| Transaction Wireless | Digital gifting platform | Retail | 0 |
| Transifex | Collaborative Translation Service | Tools | 0 |
| TransLink | Transit data service | Transportation | 0 |
| Transloadit | Media upload, processing and storage | Media Management | 0 |
| Translution | Automated translation service | Tools | 0 |
| Transport for London | UK transportation service | Transportation | 0 |
| Travel Connectivity XML | Travel content and data provider | Travel | 0 |
| Travel IQ | German travel booking service | Travel | 0 |
| Trazzler | Travel recommendation service | Travel | 0 |
| Tree.io | Cloud based business management system | Enterprise | 0 |
| Trellian Keyword Discovery | Keyword search and discovery service | Search | 0 |
| Trello | Project management platform | Project Management | 0 |
| Trendn | Web content aggregation and ranking service | Social | 0 |
| TribeHR WebHook | Real-time human resources service | Enterprise | 0 |
| Tribune Media Services (TMS) | TV and Movie information service | Entertainment | 0 |
| Trigger Forge | Cross-platform app code generation service | Internet | 0 |
| TripAuthority | Hotel reservation service | Travel | 0 |
| Tripl | Social travel service | Travel | 0 |
| TripSay | Social travel search and recommendations service | Travel | 0 |
| TripTracker | Trip Tracking Service | Travel | 0 |
| TRIResults.com | Historical triathlon results | Sports | 0 |
| Trove | Personal content management platform | Social | 0 |
| tru.ly Verification | Dating verification tool | Security | 0 |
| Trunk.ly | Bookmarking service based on social link sharing | Bookmarks | 0 |
| TrustCommerce | Payment processing services | Payment | 0 |
| TrustedX | Online business security service | Security | 0 |
| TrustYou Matching | Website content matching tool | Tools | 0 |
| TrustYou Semantic | Semantic Analysis Tool | Tools | 0 |
| TSheets | Time Tracking Tools | Enterprise | 0 |
| Ttb.li | URL shortening tool | Utility | 0 |
| Tube Updates | Unofficial London transit service | Transportation | 0 |
| TubeMogul | Video advertising and marketing service | Advertising | 0 |
| TuneFind | Movie & TV Show Music Database Service | Database | 0 |
| Tunelog | Music metadata management | Music | 0 |
| tunesBag | Music storage, streaming, and sharing | Music | 0 |
| Tvider | Mobile Twitter Media Sharing/Uploading Service | Social | 0 |
| TVRage | Television information service | Social | 0 |
| TWASE | Twitter spam prevention service | Social | 0 |
| Tweeshot | Web screenshot capture and sharing | Utility | 0 |
| Tweetburner | Twitter link tracking service | Social | 0 |
| tweethook | Twitter search data retrieval | Social | 0 |
| Tweetvite | Tweetup and event creation service | Events | 0 |
| Twicsy | Twitter Picture Search | Search | 0 |
| Twiddla | Real-time online meeting and collaboration tool | Other | 0 |
| Twishort | Long Twitter Post Service | Social | 0 |
| TwitDoc | Twitter document sharing service | Tools | 0 |
| Twitlbl | Twitter data analysis service | Social | 0 |
| TwitLonger | Tool for posting longer Tweets | Social | 0 |
| twitsnaps | Twitter photo sharing | Photos | 0 |
| TwitSprout | Social media dashboard service | Social | 0 |
| TwitterBrite | Twitter search engine | Search | 0 |
| Twitxr | Mobile photo sharing | Photos | 0 |
| Twivatar | Twitter avatar service | Photos | 0 |
| Twones | Social music service | Music | 0 |
| Twtmore | Long tweet utility | Utility | 0 |
| TwTube | YouTube URL shortener | Tools | 0 |
| txtful | Message enabling service | Chat | 0 |
| TxtImpact | SMS text messaging service | Messaging | 0 |
| Txtlocal | Group texting service | Messaging | 0 |
| TxtMobster | Mass text messaging service | Messaging | 0 |
| txttools | Messaging service | Messaging | 0 |
| Tynt | Internet engagement measurement service | Internet | 0 |
| Typekit | Web usable font library service | Internet | 0 |
| TYPOGRAFFIT | Text to Image Converter | Tools | 0 |
| U Mini Me | URL shortening tool | Utility | 0 |
| U.S. Department of Labor | Government open data service | Government | 0 |
| uberblic Doppelganger | Data Integration Service | Utility | 0 |
| UC Davis IET | University directory services | Education | 0 |
| UC Davis Online Directory Search | UC Davis online directory search service | Education | 0 |
| UCLA.in | URL Shortening Service | Internet | 0 |
| UCRUX | Email Marketing Software Service | 0 | |
| udefn | SMS messaging service | Messaging | 0 |
| UGAL | Web based e-commerce content management system | Shopping | 0 |
| UK BIS | UK government business support sector | Government | 0 |
| UK Civil Service | UK public sector job service | Job Search | 0 |
| UK National Archives Discovery | National archives catalog | Government | 0 |
| UK Postcodes | UK postcode lookup service | Reference | 0 |
| UK Street Level Crime | UK police force mapping service | Government | 0 |
| UltraCart Affiliate Management | Affiliate marketing management service | Advertising | 0 |
| UltraCart Checkout | Online shopping checkout service | Shopping | 0 |
| UltraCart Order Management | Online order management service | Shopping | 0 |
| UMap | Flash-Based Mapping API | Mapping | 0 |
| UMapper | Map authoring application | Mapping | 0 |
| UMapper | Emeddable flash maps | Mapping | 0 |
| UMBEL | Semantic structure service | Reference | 0 |
| UN Contrade | International trade statistics service | Government | 0 |
| UN Data | United Nations information service | Government | 0 |
| unAPI | Proposal for web clipboard | Internet | 0 |
| Undisposable | Collaborative protection against disposable email | 0 | |
| Unfuddle | Bug and issue tracking | Project Management | 0 |
| Unglue.it | Digital content relicensing service | Other | 0 |
| Unified Medical Language System | Medical terminology & taxonomy service | Medical | 0 |
| Unified Software AddressVal | Matching service for incomplete UK addresses | Tools | 0 |
| Unified Software BankVal UK | Bank and card validation services | Financial | 0 |
| UniProt | Protein sequence and annotation services | Medical | 0 |
| United Nations Monthly Bulletin | World economic development statistics | Government | 0 |
| United Nations SWERA | Renewable energy information service | Weather | 0 |
| UniteU Retail | eCommerce software | Retail | 0 |
| University of Washington Groups | University organization service | Education | 0 |
| Univision | Spanish language content provider | Entertainment | 0 |
| Unlock | Name and location mapping service | Search | 0 |
| UNLV Library | Library catalog | Reference | 0 |
| Unofficial Alexa Rank and Backlink | Check the Alexa rank of any domain | Internet | 0 |
| Unofficial Hacker News | News and comment service | News | 0 |
| Unofficial IMDb | Unofficial search interface for Internet Movie Database (IMDb) | Reference | 0 |
| Unshort.me | Link unshortening service | Internet | 0 |
| Unsigned Band Web Music | Music streaming service and music database | Music | 0 |
| Untappd | Social beer discovery app | Food | 0 |
| Untiny | Tiny URL Extraction Service | Utility | 0 |
| UpName | Domain name search engine | Internet | 0 |
| Upsales | CRM services | Enterprise | 0 |
| Upside Wireless | Text messaging service provider | Telephony | 0 |
| Urban Airship | Mobile push notification platform | Other | 0 |
| Urban Mapping Mass Transit Proximity | Mass transit mapping and information | Travel | 0 |
| Urbarama | Architecture atlas | Database | 0 |
| URL Classifier | Semantic web page categorization service | Tools | 0 |
| URL2PNG | Automated screenshot service | Tools | 0 |
| URLAce.com | URL shortening service | Internet | 0 |
| UrlAl | URL shortening service | Internet | 0 |
| Urloid | Short URL service | Utility | 0 |
| UrlTrends | Link tracking and search optimization | Advertising | 0 |
| Urtak | Question and answer tool | Answers | 0 |
| US Consumer Product Safety Commission Recalls | Consumer product recall information | Government | 0 |
| USA Today | News service | News | 0 |
| USA Today Best-Selling Books | Best-Selling Books Information Service | Reference | 0 |
| USA Today Book Reviews | Book review service | News | 0 |
| USA Today Census | U.S. census search service | Reference | 0 |
| USA Today Movie Reviews | Movie review service | News | 0 |
| USA Today Music Reviews | Music reviews service | Music | 0 |
| USA Today Snapshots | Statistics | News | 0 |
| USA Today Sports Salaries | Sports information service | Sports | 0 |
| USASearch | Government data | Government | 0 |
| USASearch Product Recall Data | Product recall data | Other | 0 |
| USAspending | Database of US government spending | Government | 0 |
| USC WebGIS Geocoder | Geolocation service | Mapping | 0 |
| UsefulBytes Stock Service | Wholesale stock tracking service | Enterprise | 0 |
| UsefulFeedback | Enterprise Complaints Handling Tools | Enterprise | 0 |
| user-agent-string | User agent string analysis service | Internet | 0 |
| Usergrid | Cloud based data platform | Internet | 0 |
| UserVoice | Customer feedback service | Tools | 0 |
| USgeocoder | Address information lookup service | Mapping | 0 |
| USGS Gazetteer Query | Geological data service | Mapping | 0 |
| USGS Greenness Query | Geological data service | Reference | 0 |
| USGS National Water Information System | Water quality data service | Science | 0 |
| USGS United States National Grid Conversion | Geological data service | Reference | 0 |
| USITC EDIS | U.S. trade document handling service | Government | 0 |
| Utata | Photo sharing platform | Photos | 0 |
| Utility Mill | Web Utility Database | Utility | 0 |
| Utterz | Community site | Social | 0 |
| V.me by Visa | Online payment service | Payment | 0 |
| Vai.la Short Links | URL shortening service | Internet | 0 |
| ValueAppeal | Property Tax Appeal Service | Real Estate | 0 |
| ValueCommerce Product | Online shopping service | Shopping | 0 |
| ValueCommerce Travel | Travel web service | Travel | 0 |
| Vantiv Solution Builder | Payment Processing Simplified | Payment | 0 |
| Vazu | SMS messaging service | Messaging | 0 |
| VCASMO | Presentation construction ad sharing service | Video | 0 |
| Veer | Stock photo, illustration, and font provider | Photos | 0 |
| Vegan Guide | Vegan Establishment Search Tools | Recommendations | 0 |
| Vehiclepath | Vehicle fleet tracking service | Mapping | 0 |
| Venali Fax Web Service | Enterprise fax messaging service | Fax | 0 |
| VendorRisk | Vendor tracking and management service | Enterprise | 0 |
| Veniu | European geo-mobile social network | Social | 0 |
| Venmo | Social Payments tools | Payment | 0 |
| VenteParfaite | French online classifieds service | Shopping | 0 |
| Venteria | Social event calendar | Events | 0 |
| VenueCost | Event and Venue Pricing Database | Events | 0 |
| Verify.IM Trust | Online identity verification service | Security | 0 |
| Veriplace Developer | Real time mobile location service | Telephony | 0 |
| Verizon Location | Mobile geolocation service | Telephony | 0 |
| Verizon Messaging | Mobile messaging service | Telephony | 0 |
| Verizon NavBuilder MapKit | Mobile location based services | Mapping | 0 |
| Verizon Navigation | Mobile navigation service | Mapping | 0 |
| Verizon Terminal Status | Mobile device status detection service | Telephony | 0 |
| Versatilia | E-commerce platform | Shopping | 0 |
| VerticalResponse | Email service provider | 0 | |
| VexFlow | Web-based music rendering service | Music | 0 |
| VHX | Web video dashboard | Video | 0 |
| VHX Megaplaya | Web video player | Video | 0 |
| Viadeo Graph | Professional social networking platform | Social | 0 |
| ViaNett | SMS messaging service | Messaging | 0 |
| ViaPost | Send postal mail from electronic documents | Other | 0 |
| ViaPost | Send physical mail from the Internet | Office | 0 |
| Viator | Travel affiliate services | Travel | 0 |
| Victoria & Albert Museum | Museum online collection access | Education | 0 |
| VidCaster | Video site creation platform | Video | 0 |
| VideoBam | Video hosting service | Video | 0 |
| VideoBloom | VideoBloom is a leader in end-to-end online video advertising and distribution solutions. | Video | 0 |
| Videofy.me | Video management and publishing platform | Video | 0 |
| Vidly | Video sharing service | Video | 0 |
| VIES VAT | Tax information verification service | Financial | 0 |
| Viewbook | Online Photo Sharing/Management Service | Photos | 0 |
| Viewdle | Video face recognition service | Video | 0 |
| ViewDNS.info | Online source of DNS tools | Internet | 0 |
| Viewpath | Online project management service | Project Management | 0 |
| ViewText | Online text scraping service | Tools | 0 |
| VigLink | VigLink Affiliation Service | Advertising | 0 |
| Vindicia | Online billing service | Financial | 0 |
| Viralheat | Social media analytics service | Social | 0 |
| Virtapay | Virtual currency payment service | Payment | 0 |
| Virtual Solar Observatory | Solar images and data | Science | 0 |
| Virtuoso Sponger Proxy | RDF proxy service | Internet | 0 |
| VirWoX | Virtual world currency exchange services | Financial | 0 |
| Vision Helpdesk | Help desk software service | Enterprise | 0 |
| VisionSync Dating | Virtual dating application | Dating | 0 |
| visitor.js | Website personalization and customization service | Internet | 0 |
| VISUALPLANT | Cloud Video Platform | Video | 0 |
| VISup DataCollab | Document conversion tool | Tools | 0 |
| Vitalist | Project tracking and tasks | Project Management | 0 |
| Vizimo | TV recommendations service | Recommendations | 0 |
| VMIX Media Platform | Media management platform | Video | 0 |
| Vodafone Accelerometer | Access mobile accelerometer | Widgets | 0 |
| Vodafone Address Book | Access contacts and calendar items on mobile device | Calendar | 0 |
| Vodafone Audio | Mobile audio player | Telephony | 0 |
| Vodafone Betavine | Mobile web services | Messaging | 0 |
| Vodafone Geolocation | Mobile geolocation widget | Telephony | 0 |
| VodoModo | Geolocation video provider | Video | 0 |
| Voice Delivery System | Voice synthesis service | Other | 0 |
| VoiceForge | Online speech service | Telephony | 0 |
| VoiceMeUp | VoIP service provider | Telephony | 0 |
| Voices.com | Voice actor and voice over talent services | Other | 0 |
| VoiceVault | Voice biometric identity verification | Security | 0 |
| Voki | Speaking avatars services | Social | 0 |
| Vokoder.fm | Music Storage, Sharing, and Selling Service | Music | 0 |
| Volkswagen Reviews Network | Chinese city and shopping guide | Travel | 0 |
| Vontoo | Voice marketing service | Telephony | 0 |
| VoodooVox Caller Analytics | Phone call demographic data service | Telephony | 0 |
| Voovox SMS | SMS messaging service | Messaging | 0 |
| Vote.ca Districts | Canadian Voting Place Locator Service | Government | 0 |
| Voter Guide Toolkit | Issue and candidate support information service | Government | 0 |
| Vouchers.Im | Shopping coupons and deals services | Shopping | 0 |
| Voxbone | VoIP provisioning service | Telephony | 0 |
| Voxel | Cloud hosting and management service | Internet | 0 |
| VPS.NET | On demand cloud hosting provider | Internet | 0 |
| Vs30 map server | Seismic hazard estimating service | Mapping | 0 |
| vtriggers | Realtime cloud publishing platform | Internet | 0 |
| Vuclip Video | Mobile video sharing and search | Video | 0 |
| Vuzit | Online document viewing | Office | 0 |
| Vyew | Online meeting and webinar service | Video | 0 |
| Vysr | Social platform services | Social | 0 |
| vzaar | Video hosting service | Video | 0 |
| W3C CSS Validator | CSS markup validation service | Internet | 0 |
| W3C XHTML Validator | HTML validation service | Internet | 0 |
| Wakoopa | Software usage community service | Social | 0 |
| waldstat | Location sharing service | Social | 0 |
| Walker Tracker | Step tracking service | Sports | 0 |
| Wappwolf | File management service | Media Management | 0 |
| Warp | Video Streaming Platform | Video | 0 |
| Washington DC Open 311 | Call center service for Washington DC | Government | 0 |
| Washington Metro | Washington DC Metro data service | Transportation | 0 |
| Washington State Corporations Search | Washington state corporations search service | Search | 0 |
| Washington State Department of Revenue Sales Tax Rate | Address based tax rate lookup service | Government | 0 |
| Wassr | Twitter for SecondLife microblogging service | Blogging | 0 |
| Watch.io | Online television listings | Widgets | 0 |
| Watchdog | Political data lookup | Government | 0 |
| Watson | Semantic web gateway | Internet | 0 |
| Wattvision | Home energy measurement service | Other | 0 |
| WattzOn | Online Power Usage Tracking | Reference | 0 |
| Watwet | Microblogging service | Social | 0 |
| Wave Accounting | Free Online Accounting Service | Financial | 0 |
| Wayfaring | Map creation and sharing service | Mapping | 0 |
| Wazala Store | Shopping cart service | Shopping | 0 |
| Wazap! | Gaming information service | Games | 0 |
| Waze | Social navigation application | Travel | 0 |
| WBP Systems Heap CRM | CRM software | Enterprise | 0 |
| WBP Systems Torch | Project management software | Project Management | 0 |
| Wcities | Travel guide and information service | Travel | 0 |
| Weather2 | Weather forecasting service | Weather | 0 |
| WeatherBug GEO | Weather Mapping Service | Weather | 0 |
| Web Africa | ISP enhancement service | Internet | 0 |
| Web Form Factory | Web form generation service | Tools | 0 |
| Web2PDF | PDF creation service | Office | 0 |
| Webcams.travel | Webcam repository | Video | 0 |
| WebDAM | Digital asset management service | Media Management | 0 |
| WebEquity | Financial services | Financial | 0 |
| WebFaction | Online hosting service | Internet | 0 |
| WebJay | Music playlist management | Music | 0 |
| WebKnox | Entity and fact extraction tool | Tools | 0 |
| WebLaws | Legal glossary | Reference | 0 |
| Webmail.us | Email hosting service | 0 | |
| WebMetrics | Website and web services monitoring | Internet | 0 |
| Webnode | Website editing tool | Tools | 0 |
| WebPeep | Show website technologies | Internet | 0 |
| WebPurify Image Filter | Automated image moderation service | Photos | 0 |
| WebResizer | Online image editing tool | Photos | 0 |
| Webride | Attaches discussions to any site | Internet | 0 |
| WebSEOAnalytics | SEO analytics service | Internet | 0 |
| WebServius Short-Term Storage | Short term storage utility | Storage | 0 |
| WebSitePulse | Web site and application monitoring service | Internet | 0 |
| WebTrends | Web site analytics service | Internet | 0 |
| Webwag | Mobile internet applications service | Widgets | 0 |
| Weebly | Web site and blog creation service | Internet | 0 |
| Weewar | Access WeeWar.com game stats or create a bot | Games | 0 |
| WeeWorld | Avatar access service | Social | 0 |
| WeGather | Social networks for churches | Social | 0 |
| Wellynews | Wellington New Zealand news search | News | 0 |
| welovelocal | Local user reviews and city guides | Recommendations | 0 |
| welovelocal | Local business search and recommendation service | Recommendations | 0 |
| WeoGeo | Geo-data storage and sharing service | Mapping | 0 |
| WePay | Online payment service | Payment | 0 |
| Wesabe | Personal finance management and community | Financial | 0 |
| Wescript | Userscript runtime environments utility | Utility | 0 |
| Western Australian Museum | Museum data service | Education | 0 |
| WestFax | Online faxing service | Fax | 0 |
| Wetpaint Injected | Service to enable in-site user geneated content | Wiki | 0 |
| What They Claimed | Expenses records for UK members of parliament | Government | 0 |
| What's on My Bookshelf | Book trading community service | Social | 0 |
| When I Work | Employee work scheduling application | Enterprise | 0 |
| Where Does My Money Go | Government spending database | Government | 0 |
| Where I've Been | Social mapping and travel service | Travel | 0 |
| Where Is Tim Web Service | Location tracking | Mapping | 0 |
| Where2GetIt Geospatial | Non-mapping geospatial services | Tools | 0 |
| WhereIsNow | self updating documents and contacts service provider | Office | 0 |
| Who Is Hosting This | Find out who hosts a web site | Internet | 0 |
| Who is my Representative | Database of US congressional representatives | Government | 0 |
| WhoAPI | Domain lookup and details service | Internet | 0 |
| Whoozy Person Search | Name search service | Search | 0 |
| Wibiya | Social toolbar service | Tools | 0 |
| WidgetPlus | Widget framework | Widgets | 0 |
| WidSets | Mobile widgets service | Widgets | 0 |
| Wiki-Data | Company/business entity data service | Reference | 0 |
| Wikia | Search results enhancements and extensions | Search | 0 |
| Wikidot | Wiki hosting service | Wiki | 0 |
| Wikimapia | Editable interactive maps | Mapping | 0 |
| WikiMatrix | Wiki search and comparison service | Wiki | 0 |
| WikiPathways | Biological pathways wiki | Science | 0 |
| Wikirandom | Generate Random Wikipedia Pages | Reference | 0 |
| Wikispaces | Wiki management service | Wiki | 0 |
| WiLocate Indoor Location | Indoor location application | Telephony | 0 |
| Winamp | Customizable music player | Music | 0 |
| Windows Azure Service Management | Cloud service operating system | Internet | 0 |
| Windows Live ID Client SDK | Windows SDK for Windows Live sign-in authentication | Security | 0 |
| Windows Live Messenger IM Control | Web based chat service | Chat | 0 |
| Windows Live Messenger Library | Chat and messaging services | Chat | 0 |
| Windows Live Presence | Online presence service | Chat | 0 |
| Windsoc | Social data service | Social | 0 |
| Wine-Searcher | Wine search service | Food | 0 |
| Wink | Social search service | Search | 0 |
| Winnipeg Transit | Transit data service | Transportation | 0 |
| WinTheTrophy | Sports betting access | Sports | 0 |
| Wipee List | To-do list services | Project Management | 0 |
| Wiqet | Multimedia and video widgets | Video | 0 |
| Wiqet MultiMedia | Online multimedia presentation tool | Widgets | 0 |
| Wireless Applications Services | RF engineering consulting services | Telephony | 0 |
| WiseTrend OCR | Cloud based OCR (optical character recognition) service | Utility | 0 |
| Wishpond | Local retail search service | Shopping | 0 |
| Wistia | Video hosting service | Video | 0 |
| Withings | Connected health devices | Other | 0 |
| WizeHive | Collaborative workspace service | Project Management | 0 |
| WizIQ Virtual Classroom | Online learning management platform | Education | 0 |
| Wklej | Text sharing and storage service | Tools | 0 |
| WMATA | DC Transit Service | Government | 0 |
| Wolfram Alpha | Computational knowledge and search engine | Reference | 0 |
| Wondergraphs | Data and analytics service | Tools | 0 |
| Woopra | Live Website Data Analysis Service | Internet | 0 |
| Word Cloud Maker | Word cloud creation tool | Tools | 0 |
| Wordpot | Search engine optimization services | Internet | 0 |
| WordReference | Multilingual dictionary definition service | Dictionary | 0 |
| Wordsfinder Keywords Extractor | SEO term extraction service | Internet | 0 |
| Wordsfinder Search Traffic Estimator | Search traffic analysis service | Search | 0 |
| Wordstream Keyword Niche Finder | Keyword suggestion service | Search | 0 |
| Wordtracker | Search engine optimization services | Advertising | 0 |
| Wordy | Spelling and grammar check service | Other | 0 |
| Workbooks | CRM for small businesses | Enterprise | 0 |
| Workday | ERP business services | Enterprise | 0 |
| WORKetc Web Service | Small business management software suite | Enterprise | 0 |
| WorkflowMax | Job and Invoice Management | Office | 0 |
| World Addresses | Address lookup and verification service | Reference | 0 |
| World Bank | Worldwide indicators, business, and photo databases | Reference | 0 |
| World Government Data | A portal to government data sets | Government | 0 |
| World of Warcraft | World of Warcraft data service | Games | 0 |
| World Register of Marine Species | Marine animal scientific naming service | Science | 0 |
| World Weather Online | Global weather information services | Weather | 0 |
| World Weather Online City Search | City lookup service | Reference | 0 |
| World Weather Online Time Zone | Time zone data service | Reference | 0 |
| World Wide Web of Humanities Wayback | Archived internet research service | Reference | 0 |
| WorldApp Extreme Form | Web form creation software | Office | 0 |
| WorldCat Identities | Library data access | Reference | 0 |
| WorldCat knowledge base | E-resource discovery and linking service | Search | 0 |
| Worldcat Registry | Worldcat Registry access | Education | 0 |
| WorldCat xISBN | ISBN and book edition linking service | Reference | 0 |
| WorldLingo Translation | Language translation service | Tools | 0 |
| Wormly | Uptime and server monitoring service | Internet | 0 |
| Wots-On | Event promotion service | Events | 0 |
| WPAPI.org | Blog statistics service for WordPress blogs | Blogging | 0 |
| wpSEEK | WordPress search tool | Search | 0 |
| wrap.im | Anonymous linking library | Internet | 0 |
| Wridea | Idea tracking and brainstorming service | Social | 0 |
| WriteThat.Name | Contact updating service | 0 | |
| Wrttn | Online text editor | Tools | 0 |
| WSRelater | Recommendation engine | Recommendations | 0 |
| Wufoo | Online forms creation service | Other | 0 |
| WURFL | Phone capability query service | Telephony | 0 |
| x-stream.ly | Realtime push messaging service | Messaging | 0 |
| X.nu | URL Shortening Service | Internet | 0 |
| Xactly Connect | Sales team incentive services | Enterprise | 0 |
| xAd | Mobile advertising service | Advertising | 0 |
| Xavier Finance Exchange Rates | Exchange rates and charts | Financial | 0 |
| Xero | Online accounting service for SMBs | Financial | 0 |
| Xeround Cloud Database | Cloud Database Service | Database | 0 |
| Xhaunch IP Get Detail | IP information retrieval service | Tools | 0 |
| Xhaunch Islamic Get Prayer Time | Islamic prayer time calculating service | Tools | 0 |
| Xignite BATSLastSale | Stock price data service | Financial | 0 |
| Xignite Calendar | Global economic calendars | Financial | 0 |
| Xignite Global Historical | Historical stock quotes from global stock exchanges | Financial | 0 |
| Xignite Index Components | Stock index information service | Financial | 0 |
| Xignite Realtime | Real-Time Stock Quotes for U.S. Stocks | Financial | 0 |
| XigniteAnalysts | Analysts ratings on U.S. stocks | Financial | 0 |
| XigniteCharts | Stock chart creation service | Financial | 0 |
| XigniteCompensation | U.S. executive pay listings | Financial | 0 |
| XigniteCurrencies | Real-time currency exchange rates | Financial | 0 |
| XigniteEdgar | U.S. SEC Edgar filings | Financial | 0 |
| XigniteEmerging | Track government bond prices and yields | Financial | 0 |
| XigniteEnergy | Energy futures quotes service | Financial | 0 |
| XigniteEstimates | Analyst earnings estimates for U.S. stocks | Financial | 0 |
| XigniteExchanges | Provides operating hours for world securities exchanges | Financial | 0 |
| XigniteFinancials | U.S. company financial statements | Financial | 0 |
| XigniteFundamentals | U.S. company stock information | Financial | 0 |
| XigniteFundData | U.S. mutual fund facts and performances | Financial | 0 |
| XigniteFundHoldings | Mutual fund holdings disclosure service | Financial | 0 |
| XigniteFunds | U.S. mutual fund daily NAVs | Financial | 0 |
| XigniteFutures | Futures market quotes | Financial | 0 |
| XigniteGlobalQuotes | Global delayed stock quotes | Financial | 0 |
| XigniteHistorical | Closing prices for U.S. equities | Financial | 0 |
| XigniteHoldings | Securities holdings database service | Financial | 0 |
| XigniteHousing | U.S. housing market statistics | Financial | 0 |
| XigniteIndices | Closing index values for U.S. and world indices | Financial | 0 |
| XigniteInsider | Real-time corporate insider transactions | Financial | 0 |
| XigniteInterBanks | Global interbank interest rates | Financial | 0 |
| XigniteLogos | Company logo service | Financial | 0 |
| XigniteMaster | Global securities information | Financial | 0 |
| XigniteMetals | Real-time precious metals prices | Financial | 0 |
| XigniteMoneyMarkets | U.S. Treasury and LIBOR Swap Rates | Financial | 0 |
| XigniteNASDAQLastSale | Stock price service for NASDAQ listings | Financial | 0 |
| XigniteNews | U.S. financial, economic and business news | Financial | 0 |
| XigniteOFAC | Office of Foreign Assets Control search | Financial | 0 |
| XigniteOptions | Market quotes for options | Financial | 0 |
| XigniteOutlook | US financial market daily news updates | Financial | 0 |
| XigniteQuotes | Market quotes for U.S. equities and ETFs | Financial | 0 |
| XigniteRates | Global interest rates and government bond yields | Financial | 0 |
| XigniteReleases | Company news releases | Financial | 0 |
| XigniteSecurity | Stock exchanges master company lists | Financial | 0 |
| XigniteSecurity | Global Securities Master Listing | Financial | 0 |
| XigniteStatistics | U.S. economic statistics service | Financial | 0 |
| XigniteVWAP | Volume-Weighted average stock price tracking | Financial | 0 |
| XmgImage | Photo sharing and editing | Photos | 0 |
| XML Daily Fact | XML daily fact widget | Internet | 0 |
| XNAT | Medical imaging informatics platform | Other | 0 |
| Xpenser | Mobile expense tracking | Financial | 0 |
| Xsolla | In game payments service | Payment | 0 |
| Xtify | Location mapping service | Tools | 0 |
| Xtify | Android push notification service | Telephony | 0 |
| Xtracked | Mobile location service | Mapping | 0 |
| Xurrency | Currency exchange rates | Financial | 0 |
| XWeb Content Management | Content management services | Tools | 0 |
| XWeb Financial | RDFI lookup and validation service | Financial | 0 |
| XWeb Lead | Lead management services | Enterprise | 0 |
| XWeb Real Estate | Mortgage loan application service | Real Estate | 0 |
| XWebCheckout | Online shopping cart/checkout service | Payment | 0 |
| XWebEmailValidation | Email address validation service | 0 | |
| Yahoo Content Analysis | Semantic relevance service | Tools | 0 |
| Yahoo Create Consumer Key | Yahoo consumer API key creation service | Security | 0 |
| Yahoo Mail Applications | Platform for email extensions | 0 | |
| Yahoo Meme | Microblogging platform | Blogging | 0 |
| Yahoo Mobile Widget Platform | Mobile widget platform | Widgets | 0 |
| Yahoo Notifications | Notification functionality for Yahoo accounts | Messaging | 0 |
| Yahoo Status | Yahoo account status | Blogging | 0 |
| Yahoo WebPlayer | Web media player | Video | 0 |
| Yahoo YUI | Web visualization and layout framework | Internet | 0 |
| Yamli | Arabic search engine using Latin characters | Search | 0 |
| Yammer | Microblogging for business | Social | 0 |
| Yandex Bar | Create components for internet browsers | Internet | 0 |
| Yandex Blog Search | Blog search service | Search | 0 |
| Yandex Detektor | Detect type of users mobile device | Internet | 0 |
| Yandex Direct | Contextual advertising service | Advertising | 0 |
| Yandex Fotok | Photo sharing service | Photos | 0 |
| Yandex Maps | Online mapping service | Mapping | 0 |
| Yandex MoiKrug | Yandex Social Network Service | Social | 0 |
| Yandex Podpiski | RSS feed subscription service | Feeds | 0 |
| Yandex Server | Online full text search service | Search | 0 |
| Yandex Speller | Find and fix spelling mistakes | Tools | 0 |
| Yandex Ya.ru | Blogging platform | Blogging | 0 |
| Yapta | Airfare Tracking Service | Travel | 0 |
| Yast | Time tracking and project management service | Project Management | 0 |
| Yebol | Semantic search engine | Search | 0 |
| Yellow | Package shipping services | Shipping | 0 |
| YellowBot Location | Local business search service | Recommendations | 0 |
| YellowBot Reputation Management | Local business search service | Search | 0 |
| Yendo Accounts | Online accounting software | Financial | 0 |
| Yodlee FinApp Store | Money management platform | Financial | 0 |
| Yonda4 | Reading lists and recommendations | Recommendations | 0 |
| YoolinkPro | Corporate social networking platform | Enterprise | 0 |
| Yospace | Mobile video platform and service | Video | 0 |
| Yottaa Partner | Website performance and optimization service | Internet | 0 |
| Yottaa Public | Website performance and optimization service | Internet | 0 |
| Yottaa User | Website performance and optimization service | Internet | 0 |
| YottaShare | Multi-service URL un-shortener | Tools | 0 |
| youcantcall.us | Reject unwanted phone calls | Telephony | 0 |
| YouOS | Web based operating system | Internet | 0 |
| YouPage | Business and local events directory | Shopping | 0 |
| yourminis | Widget Platform | Widgets | 0 |
| youRoom | Group messaging service | Messaging | 0 |
| YourStreet | Geocoding news article service | News | 0 |
| YouSendIt | File storage/sharing service | File Sharing | 0 |
| YOYOIndia | Indian social network | Social | 0 |
| YRC | Freight and shipping service | Shipping | 0 |
| Yubikey | Cloud-based authentication and validation service | Security | 0 |
| Yummly | Semantic recipe search platform | Search | 0 |
| Zacks Financial Data | Investment research service | Financial | 0 |
| Zannel Open | Community site | Social | 0 |
| Zatune | Arabic music API | Music | 0 |
| Zaypay | Micropayments via SMS services | Payment | 0 |
| ZEDO | Online advertising service | Advertising | 0 |
| Zeep Mobile | SMS text messaging service | Messaging | 0 |
| Zeitin Vidi | Streaming video service | Video | 0 |
| Zen | Personal project managment service | Project Management | 0 |
| Zenbu | New Zealand search and business directory service | Search | 0 |
| Zencoder | Online video transcoding service | Video | 0 |
| Zeo Sleep Measurement | Individual sleep records service | Other | 0 |
| Zerigo Managed DNS | DNS management service | Internet | 0 |
| zferral | Customized affiliate and referral programs | Shopping | 0 |
| ZhoutIt | Local discovery service | Messaging | 0 |
| Zijob | French job search service | Job Search | 0 |
| ZimageZ | Image hosting service | Photos | 0 |
| ZIP Codes | Zip code lookup service | Reference | 0 |
| ZipCodes | Simple zip code lookup service | Other | 0 |
| ZIPFOURce | U.S. address validation and standarization service | Mapping | 0 |
| Zipster | Australian job search site | Job Search | 0 |
| ZNISMS DND Checker | India Do Not Disturb registry checker | Telephony | 0 |
| ZNISMS SMS | Single and Bulk SMS service | Messaging | 0 |
| Zoho CRM | Customer relationship management services | Financial | 0 |
| Zoho Invoice | Online invoicing service | Financial | 0 |
| Zoho Projects | Project management and collaboration service | Office | 0 |
| Zoho Recruit | Applicant tracking system | Enterprise | 0 |
| Zong | Mobile payments for web publishers | Payment | 0 |
| Zoom.it | Photo conversion and sharing service | Photos | 0 |
| Zoombu Fly | Travel search service | Travel | 0 |
| ZoomClouds | Tag cloud service | Other | 0 |
| ZoomRank | SEO rank monitoring service | Internet | 0 |
| Zoopla | Property and real estate search engine | Real Estate | 0 |
| ZooProperty | Real estate listings and data hub | Real Estate | 0 |
| Zoopy | Online and mobile social media community | Social | 0 |
| Zootool | Online Bookmarking and Collecting Service | Bookmarks | 0 |
| Zopim Chat | Live chat widget | Chat | 0 |
| Zotero | Research citation organization service | Bookmarks | 0 |
| Zoto | Photo sharing service | Photos | 0 |
| Zubka | Job board and referral service | Job Search | 0 |
| Zumbox | Digital postal mail service | Other | 0 |
| Zuora | Subscription billing service | Financial | 0 |
| Zutual | Twitter user comparison service | Social | 0 |
| Zutual | Twitter analysis service | Social | 0 |
| Zvtra.ru | Bookmarking Service | Bookmarks | 0 |
| Zwiggo | Social networking for groups | Social | 0 |
| Zynga | Developer platform for social games | Games | 0 |
| Zypr | API aggregation service | Other | 0 |
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