Tweeticide - Tweeticide – Delete All Tweets is a commercial app that enables you to delete all of your tweets at once.
Wali - Share and create watchlists
Flamingo for Twitter - Flamingo for Twitter is a bright and colorful Twitter client that comes with a simple interface.
Mountaintop Data - A B2B marketing intelligence company providing marketing lists as well as data cleaning, data appending, and data maintenance services.
Twicca - Twicca is a Twitter client for Android that is simply awesome. Features: * Notification
Tweet Sponge - Tweet Sponge – UnFollow Stats is a powerful, lightweight application that keeps track of all of your followers and shows you who unfollowed as well as enable you to unfollow them back quickly.