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APIDescriptionCategoryUpdated
24 Pull RequestsAnnual pull request sending eventEvents2013-04-16
42mattersAndroid app databaseSearch2013-12-20
A State of TranceTrance and progressive rock radio show informationMusic2013-11-15
Aalto UniversityAalto University course portal informationEducation2013-04-18
Acrostic.me TrendingBible poetry feed serviceFeeds2012-08-06
Active RegOnlineEvent Planning ServiceProject Management2013-03-01
AddressFinderNew Zealand address information servicesMapping2014-01-20
AddThis Analytics Content sharing analytics data serviceInternet2010-02-05
AddThis ServicesAddThis Integration ServiceInternet2011-01-04
AddThis Sharing EndpointsContent sharing serviceInternet2010-02-05
Adobe PhoneGap BuildCloud-based app compilerInternet2012-10-09
AdzunaUK Advertising ServiceAdvertising2013-12-11
AIDS.gov Service Provider LocatorHIV/AIDS testing and care information serviceGovernment2012-04-05
AlchemyAPIArtificial Intelligence as a Service Tools2009-10-02
AlterGeoLocal recommendation serviceSocial2010-10-21
AltmetricScholarly article discussion trackerEducation2012-11-27
Android: Netrunner Card DatabaseNetrunner card game card databaseGames2013-06-12
AngelListStartup financing communitySocial2011-09-15
AnswerHubEnterprise Q&A platformAnswers2013-05-03
AOL CalendarOnline calendar serviceCalendar2010-12-14
AORecipeBookAnarchy Online tradeskills recipe botGames2013-02-06
ApertiumTranslation ServiceTools2011-01-06
APIfyCreate APIs from structured web dataInternet2012-06-07
App55Online payment servicePayment2013-08-01
art.syArtwork information discovery serviceSearch2012-04-10
Ask AMEENatural language query serviceSearch2012-04-30
Astroboa Resource Information Management ServiceEnterprise2012-08-21
AT&T M2XM2M application infrastructure serviceBackend2014-01-10
AudiobooAudio sharing platformMessaging2011-02-15
Audiosocket MaaSMusic licensing agencyMusic2011-07-26
Avatax Sales TaxSales tax management serviceFinancial2012-05-02
AYLIEN Text AnalysisText analysis serviceTools2014-03-06
BandsintownMusic concerts and recommendations serviceMusic2009-09-27
Barium LiveBusiness process management serviceEnterprise2012-04-17
BayWeb Cloud-EMSRemote HVAC control serviceTools2013-02-04
Bazaarvoice PlatformSocial marketing platformSocial2011-09-26
BehanceCreative portfolio serviceOther2012-08-31
BentioMicroblogging ServiceBlogging2011-02-08
Best Buy BBYOpen CategoriesShopping categorization serviceShopping2011-09-06
Best Buy BBYOpen ProductseCommerce shopping servicesShopping2008-10-25
Best Buy BBYOpen ReviewsShopping reviews serviceShopping2011-09-06
BF4 StatsBattlefield 4 game statisticsGames2013-12-16
Biblia.comOnline bible reference serviceReference2010-03-29
Big Huge ThesaurusThesaurus lookup servicesReference2008-08-28
BillboardMusic chart serviceMusic2009-02-23
Bing Maps RoutesMapping route creation serviceMapping2011-08-09
bipioAPI pipelining serviceFeeds2013-04-19
Bit.lyURL shortening serviceInternet2008-07-13
Bitacoras.comSpanish social blog networkBlogging2010-03-24
BitMyMoneyBitcoin Payment and Holding ServicePayment2013-05-20
Bizo BizAudienceInternet business traget serviceOther2010-04-22
Black Lotus Project Price TickerMagic: the Gathering card price tickerGames2012-08-29
BLAM AdsContent locking advertising serviceAdvertising2012-01-23
BlankSlateWeb App Building BlocksDatabase2010-02-24
BlipfotoPhoto sharing servicePhotos2012-05-07
blipprRecommendations serviceRecommendations2009-03-30
BlobbrSocial polling serviceSocial2011-11-03
BongoIowa cities transit dataTransportation2011-10-18
BoxcarSocial messaging aggregation serviceSocial2011-07-07
Bramus Simple REST API ExplorerREST API endpoint exploration serviceTools2012-04-19
Brazil CKANBrazil open government dataGovernment2011-12-23
BrightcoveVideo publishing serviceVideo2009-04-03
Brighter Planet Emission EstimatesReal-time carbon footprint estimatesOther2010-11-03
BugrocketBug tracking toolTools2012-05-29
BugzillaBug-tracking serviceTools2012-05-22
BundesTaggerGerman Parliamentary proceedingsGovernment2013-06-14
Burning ManEvent databaseEvents2009-08-30
Business TexterCustomer Service Text ServiceMessaging2014-02-20
BuzzzyGoogle Buzz Search EngineSearch2011-01-12
CadmusSocial media stream management serviceSocial2011-02-08
CallookUS amateur radio callsign lookupReference2010-12-29
Camera PlusiPhone photo applicationPhotos2012-03-14
CampBXBitcoin Trading ServiceFinancial2013-05-10
CEERNConservation and Environment Resource DatabaseReference2011-02-08
CENSUS.IRE.ORG2010 census data access serviceGovernment2012-09-11
chartbeatWebsite analytics serviceInternet2009-04-06
CheveretoImage hosting serviceMedia Management2012-11-28
Chicago Boundary ServiceIllinois geographic boundary dataMapping2012-11-13
CineworldUK cinema informationEntertainment2013-05-07
CIR VA BacklogVeterans Affairs benefits dataGovernment2013-05-08
CiteULikeCitation management serviceReference2011-11-08
City of Helsinki Service MapHelsinki information and service resource mapGovernment2013-06-18
City of NanaimoNanaimo, B.C., datasetsGovernment2011-11-15
CityBikesBike sharing network information serviceTransportation2011-12-23
Civic Commons MarketplaceOpen government data database and sharing platformGovernment2012-01-20
CKANData portal platform serviceInternet2010-10-20
CKAN Czech RepublicCzech Republic open government dataGovernment2012-01-05
CKAN IrelandIreland open government dataGovernment2011-12-23
CKAN ItalyItalian open government dataGovernment2012-01-05
CKAN NorwayNorway open government dataGovernment2012-01-05
Click A TaxiTaxi cab booking serviceTransportation2013-02-27
ClickyWeb site analyticsInternet2007-07-27
Climate CountsCorporate climate change monitoring serviceOther2012-07-26
CloudFlare Client InterfaceContent delivery networkInternet2011-12-08
CloudMade GeocodingForward and Reverse Geocoding ServiceMapping2010-11-22
CloudMade NavEngineDriving directions serviceMapping2010-11-22
CloudvoxVoice application platformTelephony2009-10-12
Club SpeedKart racing management solutionsSports2014-01-30
cnFOLChinese microblogging serviceBlogging2010-12-21
CodebitsCodebits Conference Information ToolsEvents2011-02-23
CodepointsUnicode Standard character dataReference2013-09-06
Coderbits ProfileSocial and professional network for developers and designersSocial2013-07-26
Coderwall ProfileUser profile data serviceSocial2012-03-27
COLOURloversNamed colors and color palette servicesTools2008-04-20
Comic VineComic book reference databaseOther2009-05-26
ConvoreReal-time group chat applicationChat2011-06-14
Copy2Contact Online contact entry and data parsing serviceInternet2010-01-11
CourtListenerLegal Opinion ArchiveDatabase2013-11-18
Cruvee SocialSocial media search for wine industrySearch2010-11-30
Cruvee Wine SearchWine industry search serviceSearch2010-11-29
CS50Harvard campus informationEducation2012-11-29
CS50 HarvardEventsHarvard Events CalendarEvents2011-09-13
DailymileThe Social Workout PlatformSports2011-01-10
Data Greater ManchesterManchester, England open government dataGovernment2011-12-23
Data Science ToolkitOpen Source tools for scienceReference2011-04-15
Datadotgc.caCanadian open government dataGovernment2012-01-05
DataGov.ruRussian open government dataGovernment2011-12-23
DataSiftReal-Time Social Data MiningSocial2010-12-20
dataTXT by SpazioDatiData and text extraction and linking serviceTools2012-05-18
Daum CafeOnline community servicesSocial2011-07-12
Daum CalendarCalendar servicesCalendar2011-07-12
Daum Context KeywordContextual keyword extraction serviceTools2011-07-12
Daum EventsMovie and festival search serviceEvents2011-07-12
Daum SearchSearch servicesSearch2011-07-12
Daum TodayMicro blogging serviceBlogging2011-07-12
deCarta MapSearch EngineLocal search servicesMapping2012-02-15
DeezerMusic streaming serviceMusic2012-05-04
DespegarLatin America travel siteTravel2012-03-01
deutschlandGerman elected officials information serviceGovernment2012-03-28
deviantARTSocial network for artistsSocial2011-11-04
Device42Data Management ServiceDatabase2013-08-09
DomainsBotDomain name suggestion serviceInternet2012-07-18
DonorsChooseAn online charity connecting you to classrooms in needEducation2009-04-03
DozukiDocumentation softwareProject Management2012-10-15
DribbbleWebdesign showcase Other2010-12-16
DropboxOnline storage providerStorage2010-08-04
Dublin Bus Real TimeDublin public transport information serviceTransportation2013-12-04
Duck Duck GoInternet search engineSearch2011-01-05
Dweet.ioData Sharing ServiceSocial2014-02-21
EaupenFree drinking water location service for ParisTravel2012-11-30
Echo NestMusic services for professionalsMusic2008-09-20
Edmunds.com DealerVehicle dealer informationDatabase2011-11-02
Edmunds.com InventorySpecific automobile information via VINReference2011-11-02
Edmunds.com VehicleAutomobile informationReference2011-11-02
EinzteinSearch API for Einztein Social Learning NetworkSocial2011-02-02
ElanceOnline job marketplaceJob Search2010-10-01
Elev.atText and Excel conversion to XML toolTools2010-01-27
eLifeBiological sciences journal access serviceScience2013-05-02
eMusicMusic and Audiobook Search ServiceMusic2010-06-09
Encyclopedia of LifeBiology Encyclopedia Reference2011-02-28
EnstoreCustom Enstore Client CreationShopping2011-02-02
EntirewebWeb search serviceSearch2010-08-26
Equestrian BeatsMy Little Pony themed music publishing siteMusic2014-02-06
ErgastMotor racing data serviceSports2009-03-26
Esri Community AnalystApplication Building ServiceMapping2012-07-11
EtsyHandmade product marketplaceShopping2009-03-23
European VAT Number Validation European Union value added tax number validationTools2012-12-04
EventfindaNew Zealand events serviceEvents2013-05-14
EventPointEvent planning and publicizing servicesEvents2012-10-31
EverytimeMusic and video clip saving and sharing serviceBookmarks2012-11-09
EvriRecommendations and semantic search serviceRecommendations2008-12-14
Exchange Rate LabExchange Rate ServiceFinancial2013-12-19
Face.comFace RecognitionPhotos2010-05-04
Facebook GraphFacebook Social Graph APISocial2010-12-20
FamilySearchGenealogical search and family tree serviceOther2011-12-19
FAOdataWorldwide food and agriculture dataDatabase2012-12-28
FavatarFavicon retrieval serviceMedia Search2012-07-02
Faves.comSocial BookmarkingBookmarks2011-08-29
FCCU.S. Communications Data ServiceGovernment2010-09-14
FeaturePics Stock photography providerPhotos2011-07-28
FederalRegister.govOpen source government dataGovernment2011-08-12
File MD5MD5 file hash serviceUtility2010-01-29
FilleramaThemed placeholder text generatorUtility2013-12-17
FIMFictionMy Little Pony fan fiction and social siteSocial2013-08-28
FishbansMinecraft ban systemGames2013-12-07
FLG 360Lead management, CRM, and marketing serviceEnterprise2013-10-02
FlickrPhoto sharing servicePhotos2005-09-04
Flickr Real-TimeRealtime photo updates from FlickrPhotos2011-08-19
FluidinfoOnline storage and search platform for metadataSearch2011-09-15
FluxiomOnline File Storage and ManagementStorage2011-02-28
follow costFind the follow cost of a Twitter accountSocial2009-09-30
FormhubForm creation and data collection serviceTools2013-12-05
foursquareSocial networking and city explorationSocial2009-09-15
foursquare Merchantfoursquare merchant platformShopping2011-07-26
Free Music ArchiveMP3 archiveMusic2011-11-08
FreebaseCommunity driven open databaseDatabase2007-10-13
Garmin MotionBasedGPS services and mappingSports2007-06-05
GEMETMulti-language thesaurus management serviceReference2012-05-07
GenabilityElectricity price data serviceReference2011-04-07
Geobytes Ajax Autocomplete Cities ListAutocompleting list of cities and city informationTools2012-08-24
Geognos World CountriesWorldwide geocoding information serviceMapping2010-12-29
GeolenzReverse geocoding serviceTools2010-02-21
GeoMakerGeo enrichment platformMapping2011-06-30
GeoNamesGeographic name and postal code lookupReference2006-01-12
GeoSmartNew Zealand geospatial and mapping servicesMapping2007-11-18
getBibleMultilingual Bible verse serviceOther2014-04-14
Ghana Stock ExchangeGhana Stock ExchangeFinancial2013-12-11
Ghent University Academic BibliographyUniversity publication informationEducation2014-02-19
Giant BombDatabase of game informationGames2009-06-12
Gifts.comGift recommendation serviceShopping2011-04-07
GigaToolsMusic performance event information platformEvents2013-08-06
GipuzkoaSpanish province government dataGovernment2011-08-30
GitHubSource code repositoryTools2009-04-03
GitHub JobsComputer-related job listing serviceJob Search2013-02-04
GlimtNorway event aggregation serviceEvents2012-06-26
GlitchOnline massively multiplayer gameGames2011-10-02
GlosbeMultilingual online dictionary and translation memoryDictionary2013-06-05
Go.USA.govGovernment domain URL shortenerGovernment2012-10-22
goEmerchantOnline payment servicePayment2013-02-15
Google Compute EngineGoogle based virtual machine serviceBackend2012-07-11
Google DoubleClick Ad Exchange SellerAdvertising campaign management serviceAdvertising2012-10-26
Google Enterprise License ManagerLicense ManagerEnterprise2012-08-23
Google Page Speed OnlineWebsite speed scores and optimizationInternet2011-05-20
Google Reader Subscriber StatisticsRSS feed statisticsBlogging2010-07-19
Google Social GraphSearch service for finding social connectionsSocial2008-02-01
GoSquaredReal time web analyticsInternet2012-08-03
GovDataSwedish Government tax expenditure dataGovernment2013-06-14
gPodderPodcast retrieval serviceTools2011-08-19
GroupcentricUser engagement service for applicationsSocial2013-03-05
GW2SpidyGuild Wars 2 marketplaceGames2012-11-02
HAMweather AerisWeather data serviceWeather2012-01-10
Hathi Trust Data DistributionLibrary catalog search serviceReference2010-03-24
HathiTrust VolumesLibrary catalogue information retrieval serviceEducation2011-12-09
HealthCare.govU.S. health insurance plans and information serviceMedical2013-07-26
HearstMagazine article content searchNews2013-12-19
HeelloMicroblogging serviceSocial2012-05-29
Helsinkikanava Open DataHelsinki city council meeting information and recordingsGovernment2012-08-30
Hitchwiki MapsHitchhiking location reviewsMapping2013-12-17
HTTP Redirect Chain EnumeratorSearch Engine Optimization toolUtility2010-08-13
HyvesSocial networking and events serviceSocial2008-11-16
Hyves DataDutch social networking siteSocial2011-07-14
IconFinderGraphic icon and image searchSearch2012-06-21
IdeaScaleOnline Community Data ToolsSocial2010-12-20
Idescat Advance Release CalendarIdescat publications calendarCalendar2012-06-06
Idescat Catalan and Spanish Indicators Economic indicator serviceFinancial2010-05-17
Idescat Municipality in FiguresStatistical information on Catalan municipalitiesGovernment2010-12-02
Idescat Population SearchPopulation searchSearch2010-10-11
Idescat RectificationsRectifications registry lookup serviceReference2010-12-02
idiomagMusical artist information serviceMusic2008-12-16
Illinois 2010 School Report CardsIllinois public school grade reporting serviceEducation2011-10-18
Influence Explorer TextTextual analysis toolGovernment2011-08-01
InfoChimps IP Intelligence DemographicsCensus data based on IP addressReference2011-02-28
Infochimps IP Intelligence GeolocationData mining toolInternet2010-06-05
InfoChimps SocialTwitter Metrics and AnalyticsSocial2011-02-28
Infunl Web AnalyticsWeb analytics and tracking serviceInternet2012-02-09
InKnowledge Taxi Fare CalculatorTaxi fare estimation serviceTransportation2012-01-05
InstagramMobile photo sharing servicePhotos2010-12-15
InstapaperBookmark long web pagesBookmarks2010-12-29
International Aid Transparency InitiativeAid spending indexGovernment2012-01-05
Interserve Job OpeningsMinistry jobs feed serviceFeeds2012-07-24
Interstate DevelopersProject development roadmaps toolProject Management2011-07-14
ioBridgeRetrieve module feed URLsTools2010-11-02
IODA OpenOnline Music Distribution DatabaseMusic2011-03-24
IP-API.com GeolocationIP address lookup serviceTools2012-07-24
ipinfo.ioIP geolocation and information servicesMapping2013-11-07
IPv4Free IP Lookup APITools2014-02-13
iRailBelgium train schedulesTransportation2011-11-15
Is EmailEmail address validation serviceEmail2013-12-30
Issuu SearchOnline publication serviceFile Sharing2009-08-07
ItsThisForThatRandom startup idea generatorOther2011-08-10
Ity.imURL shortening serviceUtility2011-01-21
Jack MediaAustralian daily deals networkShopping2012-07-18
JailBaseMugshot and Arrest Information for County JailsSearch2012-03-07
Johns Hopkins University HubResearch article retrieval serviceEducation2013-05-08
json-lipsumPlaceholder text generatorUtility2013-12-16
Junction Networks Web ServicesBusiness VoIP ServicesTelephony2011-01-11
JuxPersonal multimedia showcasing serviceBlogging2013-11-26
Khan AcademyOnline learning and instruction platformEducation2012-06-29
KickoffLabsViral referral page service Social2012-02-08
KipptBookmarking applicationBookmarks2012-04-02
KIT VideoVideo storage, encoding, and broadcast platformVideo2012-01-17
KivaPerson-to-person micro-lending serviceFinancial2009-02-03
KloutSocial metrics serviceInternet2009-05-08
KPI DashboardBusiness information serviceEnterprise2010-10-01
KundoCustomer service and feedback serviceEnterprise2012-02-22
KwoutWebsite quote with images toolTools2011-08-23
LairOutEvent Search ServiceEvents2013-02-25
Lauerfac.esChristopher Lauer avatar platformFile Sharing2012-05-22
LetsMTLanguage translation serviceTools2012-03-12
LibrariousPersonal collection catalogPIM2011-01-21
Library of Congress Prints & PhotographsImage search serviceMedia Search2011-12-23
LifeDesksOnline science and taxonomy communityReference2011-08-09
LinkedInBusiness social networking platformSocial2007-12-10
LittleShoot Labs MIMEFile type reference serviceTools2010-11-03
LivestreamVideo Streaming ToolsVideo2010-12-20
LobbyFacts DataEuropean Union lobbyist information servicePolitics2013-01-03
logentriesLog collection and analysis toolBackend2013-08-20
LoggrWeb application analytics serviceTools2011-09-22
Long URL PleaseShortened URL expanding serviceInternet2009-12-04
LongURLURL expanding serviceInternet2008-11-16
LuzmeEbook price data engineShopping2011-04-11
LYRICSnMUSICMusic and song lyric search engine compilerMusic2012-12-28
MalmöfestivalenMalmö Festival schedule and informationEvents2011-11-25
map4appMap integration serviceMapping2011-10-26
MapAlerterIrish multi-channel alert serviceMessaging2013-01-14
MapBoxMapping ServiceMapping2011-10-25
MapQuest DirectionsDriving directions serviceMapping2010-11-16
MapQuest GeocodingForward and Reverse Geocoding ServiceMapping2010-11-22
MapQuest Nominatim SearchGeographic search serviceMapping2010-11-22
MapQuest Open DirectionsDriving directions serviceMapping2010-11-15
MapQuest Open ElevationElevation data serviceMapping2010-11-22
MapQuest Open GuidanceMobile navigation serviceMapping2011-01-25
MapQuest SearchGeographic search serviceMapping2010-11-22
MapQuest TrafficTraffic report serviceMapping2010-11-16
Markit DataMarket Data ServiceFinancial2012-08-21
Marvel ComicsComic book metadataEntertainment2014-02-06
MasheryAPI delivery and management serviceInternet2010-12-21
MesagraphSocial TV content aggregatorSocial2011-05-10
MetaCPANPerl module search serviceInternet2012-08-31
Meteor SolutionsSocial marketing engagement platform Advertising2012-08-28
Metro RealtimeLos Angeles Metro real-time vehicle location Transportation2011-10-11
Metro Transit NexTripMinnesota Transit information serviceTransportation2012-01-17
MetroLyricsMusic lyric databaseMusic2014-01-07
Mgnet.me shortenertorrent magnet URL shortening toolFile Sharing2012-05-17
MibbitChat clientChat2011-05-20
Microco.smForum creation serviceSocial2013-12-23
Mincoin ToolsCrypto-Currency Mining PoolFinancial2014-02-17
MineBansGlobal Minecraft banning systemGames2013-05-14
MinubeSocial travel recommendation siteTravel2010-11-01
MixcloudRadio, DJ, and Podcast Hosting ServiceMusic2011-02-08
MockyREST API testing serviceTools2013-05-28
MomboSocial movie review serviceSocial2010-08-27
MonoloopSocial profile and communication serviceSocial2012-06-27
MotorsportReg.comMotorsports events and calendar serviceSports2010-03-31
MuseliaMuseum mapping serviceEducation2010-01-27
MusescoreSheet music sharing serviceMusic2011-12-13
MuslimSalat.comMuslim prayer timesTools2013-07-04
MyGene.InfoAnnotated gene information serviceScience2012-03-26
MynaA/B testing serviceInternet2013-01-03
MyWotWebsite reputation serviceSecurity2010-12-08
NameChkSocial media username availability toolSocial2013-06-12
National Institute on Drug Abuse Drug Screening ToolDrug abuse screening toolMedical2013-07-04
Nature.com OpenSearchScientific publication search serviceSearch2013-01-02
Navnelabarotoriets (Name Laboratory)Dutch baby name recommendationsRecommendations2011-11-25
NBIC PeregrineTerm recognition and tagging serviceTools2012-03-27
NeedishPrice quote serviceRecommendations2009-03-06
Nephics European VAT Number ValidationEU VAT information exchange system Government2012-06-11
NestoriaUK real estate listingsReal Estate2006-07-29
NetvibesPersonalized home page with widgetsWidgets2006-11-05
New York Times Campaign FinanceU.S. campaign finance dataGovernment2008-10-14
New Zealand Post LocatorPostal location finderUtility2013-11-22
New Zealand Post TrackingNew Zealand parcel tracking serviceUtility2012-01-16
Next CallerCall center efficiency platformTelephony2013-08-19
NOAA ERDDAPOceanic science data serviceScience2011-12-19
NodePingWebsite and server monitoring serviceSecurity2013-04-12
Nokia MusicMusic content serviceMusic2013-02-06
Notifixio.usXMPP pubsub notification platformInternet2008-10-31
NPRUS National Public Radio News2008-07-15
NumbersNumber reference serviceReference2012-03-16
NUSModsNational University of Singapore module information serviceEducation2013-08-29
Ocean Networks CanadaOceanographic dataScience2013-11-20
OCLC Virtual International Authority FileLibrary authority file serviceTagging2011-11-01
Octopart ElectronicsElectronics parts search servicesShopping2008-12-29
Odds24Sports betting odds comparison serviceSports2014-02-23
OffeneDatenGermany open government dataGovernment2012-01-05
olpcMAPEducation technology mapping serviceMapping2011-12-19
OnSugarBlogging serviceBlogging2011-01-25
OOchartsGoogle Analytics retrieval serviceUtility2013-06-24
Open Beer DatabaseDatabase of beer and brewery informationFood2012-12-11
Open Dems Polling PlacePolling place location serviceGovernment2012-05-23
Open Exchange RatesReal-time/historical currency exchange rates for developersFinancial2012-08-17
Open Government Data InitiativeGovernment data resource from MicrosoftGovernment2009-09-30
Open LibraryLibrary data accessReference2008-05-07
Open Meteo ForecastWorldwide weather forecasting serviceWeather2013-12-24
Open North RepresentDatabase and API for Canadian elected officialsGovernment2012-06-19
Open PHACTSPharmacological and physicochemical data Science2013-06-20
Opencaching.usUS geocaching databaseGames2013-01-09
OpenCNAMCaller ID data providerTelephony2012-10-22
OpenCorporatesCorporate information databaseReference2012-01-05
opengov.esSpain open government dataGovernment2011-12-23
opengov.fiFinland open government dataGovernment2011-12-23
OpenGovernmentState and local government dataGovernment2011-12-06
OpenKeyvalOpen key-value data storage serviceStorage2012-04-18
OpenSpendingGovernment and corporate finances trackerFinancial2013-11-18
OpenThesaurusOpen source German thesaurusDictionary2012-01-11
OstextOpen source translation repositoryTools2013-12-07
Panoramiophoto upload site with organizer and geolocationPhotos2007-06-12
ParkWhizAccess to parking and event dataDatabase2010-08-31
Pearson Correlation CoefficientCalculator for the Pearson Correlation Coefficient ρTools2011-02-22
Pearson Food & DrinkEducational cookbook catalogFood2013-12-11
PelagiosAncient world geodataMapping2012-06-05
PersuasionCustomer-specific marketing serviceEnterprise2013-09-03
Philadelphia School InformationPhiladelphia School District information serviceEducation2013-12-05
Philly HoodsPhiladelphia neighborhood information serviceMapping2013-11-19
PhyloPicSilhouette images of living organismsScience2014-01-09
PictobarCrowd sourced personality information serviceSocial2012-11-30
PingeborgArtist promotion via QR tagsOther2013-12-20
PlancastSocial event serviceSocial2010-12-07
PlaymeMusic streaming, download, radio and playlist serviceMusic2009-11-13
Playnice.lyBug tracking serviceTools2011-09-27
PLoS SearchScientific literature search serviceReference2011-06-13
PoligraftPolitical Entity Extraction ServiceGovernment2010-08-26
PonyCountdownMy Little Pony episode information and countdownEntertainment2013-11-26
Ponyfac.esMy Little Pony avatar platformFile Sharing2012-05-22
PopClogsGoal listing and sharing siteGoal Setting2014-01-01
PopyoularReview-based recommendation platformRecommendations2013-05-14
Postcodes.ioPostcode & geolocation serviceMapping2014-02-11
PosterousContent sharing serviceSocial2009-04-20
PostRankSocial engagement data analysis serviceFeeds2008-07-19
Powerhouse Museum CollectionOnline museum collection and datasetsEducation2011-10-11
PrintzelPhoto book creation servicePhotos2013-04-19
Project KenaiCollaborative open source development cloudProject Management2012-08-30
Project Kenai SunCloud Open Source Project Collaboration and Management ServiceProject Management2012-09-21
Proofeditors.comURL shortener with security featuresInternet2012-10-29
ProperSpellSpelling suggesting serviceDictionary2011-01-10
ProPublica ForensicsGeographic autopsy dataGovernment2012-11-19
ProPublica Free the FilesPolitical ad funding tracking projectPolitics2012-11-19
Prototype GeoIPIP-to-location serviceInternet2011-02-03
PublicStuffCivic engagement application Government2014-01-07
PubNubPush messaging serviceMessaging2012-03-16
Punchfork RecipeRealtime recipe aggregator serviceFood2011-07-12
PunchTabCustomer loyalty program Other2011-10-25
Quotes on DesignRandom Quote GeneratorOther2010-12-29
QwikiInteractive wiki with mediaSearch2011-09-15
RakutenJapanese shopping web serviceShopping2007-06-29
RapportiveContact information add-on for emailEmail2012-02-10
Rdio oEmbedMusic embedding serviceMusic2013-11-01
Reality Digital OPUSSocial media management serviceSocial2011-07-11
RealmEyeRealm of the Mad God game informationGames2013-09-13
RedboxMovie and game rental kiosk information serviceEntertainment2013-10-22
Regator SemanticContent aggregator and analysis serviceInternet2012-07-23
RequestBinHTTP request analysis serviceInternet2013-01-31
RhymeBrainOnline rhyming dictionaryDictionary2011-05-31
Richmond SunlightVirginia general assembly information aggregatorGovernment2010-12-21
Rochester Genesee Regional Transportation AuthorityRochester public mass transit information serviceTransportation2013-09-10
Roleplayer's Online Dice RollerDice rolling tool for roleplayersGames2012-11-29
Roll the DiceDice rolling toolTools2012-11-30
RoninAppOnline Invoicing and Time Tracking ServiceFinancial2014-01-01
Safe.mnURL shortening service with security featuresInternet2010-04-30
SC2RanksStarcraft 2 player rankingsGames2012-11-05
SciBiteDrug discovery information serviceMedical2013-05-20
Scotty AppMobile application backend serviceBackend2012-02-10
ScraperWikiScreen scraper wikiTools2010-08-23
ScrapinghubWeb crawling and data processing servicesTools2013-09-24
SeatGeekTickets search serviceEvents2011-03-18
SeatwaveOnline marketplace for live eventsEntertainment2012-02-28
SeedFinderCannabis strain information serviceReference2011-09-02
SerialStamperRegistering and Digitally Timestamping FilesSecurity2012-08-29
ServiceUEvent and donation management serviceEvents2013-02-19
SetGetGo IP GeolocationIP geolocation by countryTools2012-11-30
SetGetGo Random WordRandom word generatorTools2012-12-04
SetGetGo Simple CryptoEncryption and decryption toolTools2012-12-04
Shared CountSocial Network Tracking ServiceSocial2011-04-13
SharedCountSocial URL analyticsInternet2013-04-22
ShareFileFile sharing and FTP serviceFile Sharing2012-02-07
ShopzillaOnline shopping contentShopping2008-01-04
ShotgunCreative studio pipeline serviceProject Management2013-03-03
Silo BreakerNews and information serviceNews2011-07-19
SilobreakerEnterprise content management and workflow support serviceEnterprise2013-12-10
SimpleGeoLocation services platformMapping2010-03-31
SimplePie LiveAccess RSS and Atom feeds with JavaScriptFeeds2008-01-29
SkyBiometry Face Detection and RecognitionFace detection and recognition servicePhotos2012-10-12
SlideSixPresentation sharing serviceOffice2009-03-19
SocketLabs Email On DemandHosted on demand email serviceEmail2010-03-24
Solve360Online CRM serviceEnterprise2010-03-05
SoundCloudSoundCloud is a social audio platformMusic2008-07-10
SpacialDB LayersCloud-based geospatial databaseDatabase2012-05-30
Spearman Correlation CoefficientMathematics toolTools2012-05-16
Spell OutVoice procedural alphabet translatorTools2013-02-19
SpringerScientific journal and books databaseReference2010-12-15
SpringpadNotebook and notes application serviceOffice2011-08-23
Stack ExchangeQuestion and answer site networkAnswers2012-10-09
Stack OverflowProgramming question and answer siteAnswers2010-06-14
stdiconIcons for standard site or file typesInternet2009-11-29
StorageRoomCloud based mobile data CMSStorage2011-06-07
StorenvyOnline marketplace and store creation serviceShopping2012-08-13
Subsonic Music streaming serviceMusic2011-07-28
Sunlight Labs Real-time CongressNear Real-Time Information on the Current Congress SessionGovernment2011-02-15
Surescripts Million Hearts Risk Check LocatorCardiovascular screening searchMedical2012-08-09
TalentBinSocial recruiting serviceSocial2012-05-22
TapirBlog search serviceFeeds2012-10-11
TasteKidTaste discovery serviceRecommendations2010-12-29
TaxiFareFinderTaxi Fare Finding ServiceTransportation2012-12-05
TechSavvy Technology job listing siteJob Search2012-11-16
TelizeVisitor IP address geolocation serviceInternet2013-08-31
The Easy APIAccess multiple API's with one easy to use POSTTools2010-03-08
The Giving LabCharity and fundraising platform Tools2012-08-29
The Movie DBMovie, TV, cast, crew and image databaseEntertainment2010-06-16
The Open Movie DatabaseMovie Database ServiceSearch2013-11-05
TheRockTradingVirtual Currency Exchange ServiceFinancial2013-06-13
TheyWorkForYouTrack the UK ParliamentGovernment2007-02-26
This Is My JamMusic recommendation and sharing serviceMusic2012-07-16
TimeCampTime Tracking ServiceProject Management2014-04-01
Tiny GeoCoderGeocoding servicesMapping2008-12-14
to.lyURL shortening toolUtility2011-07-05
TradeHillInternet commodity trading serviceFinancial2011-07-05
TradeKingStock trading and investment serviceFinancial2011-05-20
Trail Outdoor Recreation InfoSports2012-08-21
Travel IQGerman travel booking serviceTravel2011-10-18
Traveller MapScience fiction RPG mapGames2013-08-06
Travis CIContinuous integration serviceInternet2012-07-20
TrendspottrSocial media trend monitoring and search serviceSocial2012-04-26
Trendy SkillsIT industry employable skills in demand databaseJob Search2013-10-25
Trunk.lyBookmarking service based on social link sharingBookmarks2011-03-21
Tube UpdatesUnofficial London transit serviceTransportation2011-02-28
TV Media TV ListingsNorth American TV program listings serviceEntertainment2013-07-31
TwakeConsumer recommendation serviceRecommendations2012-06-06
TweepSearchTwitter profile search servicesSocial2010-03-01
TweetmemeTwitter link popularity serviceSocial2009-04-03
TwicsyTwitter Picture SearchSearch2011-06-14
TwitchTVVideo game broadcasting and chat communitySocial2012-08-07
TxtBearDocument Publishing ServiceTools2013-04-15
TyntInternet engagement measurement serviceInternet2010-11-29
UK PostcodesUK postcode lookup serviceReference2010-08-24
UNICEF 50/50International fund raising servicePayment2012-02-14
University of Oxford Systems StatusUniversity of Oxford IT services statusTools2013-11-14
University of RedditCollaborative learning communityEducation2013-04-18
University of WarsawUniversity and student information for Poland universitiesEducation2012-07-02
UnivisionSpanish language content providerEntertainment2011-12-08
UNLV LibraryLibrary catalogReference2011-01-21
Unofficial BMYcharityOnline giving and donations serviceFinancial2012-02-22
Unofficial FitocracySocial fitness platformGames2012-02-22
Unofficial Hacker NewsNews and comment serviceNews2010-09-22
Unofficial IMDbUnofficial search interface for Internet Movie Database (IMDb)Reference2011-07-28
Unofficial Virgin Money GivingOnline giving and donations serviceFinancial2012-02-22
Unshort.meLink unshortening serviceInternet2011-08-01
Uptime RobotWebsite monitoring serviceTools2012-08-06
Urban AirshipMobile push notification platformMessaging2010-03-24
US Census BureauUS Census data serviceGovernment2012-06-07
USA.gov Federal Agency DirectoryBilingual directory of U.S. federal agenciesGovernment2013-09-05
USA.gov Mobile App GalleryU.S. government apps information serviceGovernment2013-09-05
USC Event CalendarCampus event calendarCalendar2013-05-13
USC Map DataCampus map dataMapping2013-05-13
USC WebcamCampus webcam video and still photo accessVideo2013-05-13
USOSInformation management system for Polish universitiesEducation2013-04-18
ValueCommerce ProductOnline shopping serviceShopping2011-02-22
ValueCommerce TravelTravel web serviceTravel2011-02-22
Verisign DomainViewDomain registration trend toolInternet2012-11-12
Viddler Online video serviceVideo2008-09-03
VideoSurfVideo search serviceVideo2009-05-26
ViewTextOnline text scraping serviceTools2010-09-27
VigLinkVigLink Affiliation ServiceAdvertising2011-05-17
VikiGlobal Television ServiceVideo2012-12-18
Vimeo AdvancedVideo and user information access serviceVideo2013-11-01
Vote.ca DistrictsCanadian Voting Place Locator ServiceGovernment2011-02-28
Walmart OpenWalmart online product information serviceRetail2013-12-07
Washington MetroWashington DC Metro data serviceTransportation2012-01-13
Washington Post NFL Statistics National Football League (NFL) statistics serviceSports2012-06-26
Washington Post TrovePersonalization and content engineNews2013-07-25
Washington State Corporations SearchWashington state corporations search serviceSearch2011-10-03
WassrTwitter for SecondLife microblogging serviceBlogging2008-12-21
Weather SourceWeather data serviceWeather2013-05-09
Web2PDFPDF creation serviceOffice2010-08-13
WebSEOAnalyticsSEO analytics serviceInternet2011-08-15
WebTranslateItTranslation management and software translation platformTools2013-08-21
WegoTravel search serviceTravel2012-03-27
WellynewsWellington New Zealand news searchNews2009-08-27
WePayOnline payment servicePayment2010-12-29
WickedAPIAPI-accessible developer toolsTools2013-08-19
WikiLocationFind Wikipedia articles based on locationWiki2011-02-28
WikimapiaEditable interactive mapsMapping2011-04-21
Wisconsin Center for the BookDatabase of Wisconsin books and authorsDatabase2013-08-30
WMATADC Transit ServiceGovernment2010-08-30
WookmarkImage collection and sharing serviceSocial2012-12-07
WordReferenceMultilingual dictionary definition serviceDictionary2012-01-31
Wordstream Keyword Niche FinderKeyword suggestion serviceSearch2010-04-14
Wordstream Keyword ToolKeyword suggestion serviceSearch2010-05-05
WorkbooksCRM for small businessesEnterprise2011-04-14
World AddressesAddress lookup and verification serviceReference2011-11-02
World BankWorldwide indicators, business, and photo databasesReference2008-08-31
World of WarcraftWorld of Warcraft data serviceGames2011-08-23
World Weather OnlineWorld Weather OnlineWeather2010-03-19
WorldCat IdentitiesLibrary data accessReference2008-08-13
WorldCat xISBNISBN and book edition linking serviceReference2011-12-06
WPAPI.orgBlog statistics service for WordPress blogsBlogging2009-11-29
XplentyData processing serviceDatabase2014-03-27
Yahoo MemeMicroblogging platformBlogging2010-01-14
Yahoo Query LanguageQuery language platform for Yahoo servicesDatabase2008-12-05
Yahoo YUIWeb visualization and layout frameworkInternet2012-01-05
Yandex Rich ContentWebpage metadata delivery toolInternet2013-02-27
Yandex SpellerFind and fix spelling mistakesTools2011-02-28
Yandex TranslateFree text translation serviceTools2013-02-25
Yes Broadcast DBRadio station search, now-playing, logs and chartsMusic2008-11-06
YIFY-TorrentsMovie torrent siteFile Sharing2013-05-23
YolinkSemantic searchSearch2010-07-11
Yonda4Reading lists and recommendationsRecommendations2011-05-25
zanoxInternet monetization servicesAdvertising2008-11-15
ZapposOnline retail storeShopping2010-06-17
ZendeskHelp desk serviceInternet2009-06-08
Zoom.itPhoto conversion and sharing servicePhotos2010-12-17
ZootleSales, inventory, and contact management serviceEnterprise2013-01-18
ZootoolOnline Bookmarking and Collecting ServiceBookmarks2011-02-03
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ProgrammableWeb
APIs, mashups and code. Because the world's your programmable oyster.

John Musser
Founder, ProgrammableWeb

Adam DuVander
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.