Gwibber - Gwibber is an open source microblogging client for GNOME developed with Python and GTK.
Twicca - Twicca is a Twitter client for Android that is simply awesome. Features: * Notification
TweetDeck - TweetDeck is your personal browser for staying in touch with what’s happening now.
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.
Tweedle App - Notion is nice but sometimes all you need is an app like Tweedle.
Socialite - History Ever since we acquired Socialite from Realmac Software in December 2010, we have been planning on releasing a faster, more stable version 2.