Flamingo for Twitter - Flamingo for Twitter is a bright and colorful Twitter client that comes with a simple interface.
Tweedle App - Notion is nice but sometimes all you need is an app like Tweedle.
Tweeticide - Tweeticide – Delete All Tweets is a commercial app that enables you to delete all of your tweets at once.
Plume - App for writing documents, scripts, books and more.
Tweetlogix for Twitter - Tweetlogix for Twitter is the most leading Twitter tool that allows you to enjoy Twitter with a powerful and customizable client.
Smart Post - Smart Post: Schedule Media is an all-in-one and feature-rich scheduling application for Twitter and Facebook.