TweetDeck - TweetDeck is your personal browser for staying in touch with what’s happening now.
Gwibber - Gwibber is an open source microblogging client for GNOME developed with Python and GTK.
HootSuite - Enhance your social media management with Hootsuite, the leading social media dashboard. Manage multiple networks and profiles and measure your campaign results.
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.
Fenice - Read writing from Fenice for Windows on Medium. Fenice (fka Project Blue Dog) is a full-featured Twitter app for Windows designed to offer the best Twitter experience to every user (pro or casual ones).
Choqok - Choqok - KDE Micro-Blogging Client The name comes from an ancient Persian word, means Sparrow!