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

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

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

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.

HootSuite - Enhance your social media management with Hootsuite, the leading social media dashboard. Manage multiple networks and profiles and measure your campaign results.

Smart Post - Smart Post: Schedule Media is an all-in-one and feature-rich scheduling application for Twitter and Facebook.