Twicca - Twicca is a Twitter client for Android that is simply awesome. Features: * Notification
Gwibber - Gwibber is an open source microblogging client for GNOME developed with Python and GTK.
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.
Choqok - Choqok - KDE Micro-Blogging Client The name comes from an ancient Persian word, means Sparrow!
HootSuite - Enhance your social media management with Hootsuite, the leading social media dashboard. Manage multiple networks and profiles and measure your campaign results.
TweetDeck - TweetDeck is your personal browser for staying in touch with what’s happening now.