tweetsort

tweetsort takes all your favorite features from the vast range of applications and merges them into one simple, sleek, easy to use web application. Features Include:

Organize your friends into groups you can easily manage
Shorten links via tsort.us, bit.ly, TinyURL, tr.im, and more
Post videos via yFrog
Tweet songs to your Followers using GrooveShark
Post pictures via TweetPhoto, twitGoo, TwitPic, and others
Compress your tweets using TweetShrink
Stay up-to-date with auto-refreshing tweet stream
View your conversation threads
Save and view custom Twitter searches