Trottr allows you to send audio messages to anybody around the world, by making a simple phone call! http://trottr.com/
Ugomo lets you log your workouts from Twitter and get stats, summaries and reports. There is no need to register. http://ping.fm/eKjsR
We Heart Toronto is a real time Toronto news reporting site. http://ping.fm/kHyXY
TwitList is a combination of Twitter and Craigslist. Log in to TwitList using your Twitter’s account. http://ping.fm/0kXye
Twitter Vampire is a game that gives you points for biting your friends on Twitter and sucking their blood. http://ping.fm/CMnZc
Sometimes, 140 characters just isn't enough. http://tweetplus.com/
Use Geo.ly to quickly create a map and share it with a shortened URL. http://geo.ly/
follow dead people on twitter
http://tweeji.com/
Tweetmondo enables you to find local Twitter users. http://ping.fm/TMdjL
Twoogle provides an easy way 2 search Twitter & Google simultaneously, from the same site. http://ping.fm/gkxK6
