Automagical.ly is a free service that monitors stuff you're interested in and notifies you when things happen.
|Zillow, YahooWeather, USPostalService, Twitter, Tumblr, Tropo, StackOverflow, Pushover, Pusher, LastFM, FedEx, Facebook, Dropbox|
A communications platform that allows millions of people to be instantly notified.
|DoorFly.com Agent Notifications|
Notify member agents of new customers that are seeking real estate agents in their area. Full buyer/seller details are provided over the phone for deciding whether to work with the prospect.
Life Stream is a social network hub for Mac
|YouTube, Twitter, MySpace, LinkedIn, Instagram, Gowalla, GoogleGmailOAuth, GoogleBuzz, Foursquare, Flickr, FacebookGraph|
PagerDuty is an alarm aggregation and dispatching tool for system adminstrators and support teams. It collects alerts from your monitoring tools and calls the engineer on duty if there's a problem.
Qup is a web application that combines Netflix and Rotten Tomatoes into a handy notification service for movie buffs.
Remindium is a simple SMS based application to help you remember to do things. There have been many occasions that I, or somebody else has said "remind me later this afternoon" but to only forget about that reminder.
Service offered through hospitals that gives parents of new borns the ability to set up a notification list, record a single message when the baby is born and the alert is sent to all recipients.
|Twilio, Stripe, SendGrid, Facebook|
Integrates Taglets.org with Facebook to send one-line notifications when someone comments on tags you are following on Taglets.org. Provides a Taglets-enabled notes-like app for posting keyword-tagged notes.
|Taglets, GoogleAppEngine, Facebook|