getPrismatic.com/ finds content for you by looking at what you have shared on Twitter, the publishers you link to, and who your friends are (it will eventually account for Facebook as well). But the content doesn't only come from your Twitter feed - it comes from anywhere on the Internet, using clues in your feed to find things that will interest you.
Share & discuss any topic with TwinglyTwingly is a powerful group communication and microblogging tool in the era of the realtime web. Share, discuss and have fun with friends, colleagues, strangers and others interested in the same topics as you.
WhoTweetedMe.com will analyze a URL and show you its most influential retweeters, potential reach and timeline. Due to Twitter API limitations, It works best on blog post URLs that are between 1 day and 2 weeks old.
tweetsee - the easy way to stay informed.
Please click the connect button above and login with your twitter username and password. To use tweetsee we recommend the following browsers: Google Chrome, Safari, Firefox 4.