A must-have organizer for serious twitterers that allows users to stay up to date with new tweets and Facebook updates, as well as create customized lists.
Archive | Twitter 100 > Desktop Applications and Tools
19Echofon Firefox Extension
Convenient Twitter extension for the Firefox web browser that enables users to post and view updates from friends along with other basic Twitter functions.
37twhirl
Twitter is great, but if you need support for other microblogging services as well, twhirl will keep you up to speed.
47Digsby
If you like feeling connected, Digsby just made it easier to centrally manage all of your online social media accounts.
