Post to multiple social networks from one place. free and paid accounts.
Twitter related sites
Graphical twitter user statistics
all-in-one dashboard intelligence platform for real-time social media monitoring
Find out what you care about on twitter
Find out the sentiment of twitter searches
Blog to Twitter and Facebook via RSS. now closed. Recommended to use https://dlvrit.com/ instead.
Social out bursts news and comments all within 140 characters. Beware of BOTS and corporate censorship.
Professional Twitter, FaceBook, MySpace & Linkedin client online
track links you share on Twitter, and Friendfeed too!
User Powered Twitter Directory