Twicca - Twicca is a Twitter client for Android that is simply awesome. Features: * Notification

Plume - App for writing documents, scripts, books and more.

Flamingo for Twitter - Flamingo for Twitter is a bright and colorful Twitter client that comes with a simple interface.

Tweeticide - Tweeticide – Delete All Tweets is a commercial app that enables you to delete all of your tweets at once.

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.

Tweetbot - Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.