Choqok - Choqok - KDE Micro-Blogging Client The name comes from an ancient Persian word, means Sparrow!
Janetter - Janetter is a Twitter client application. Faster, smarter, and more powerful.
Gwibber - Gwibber is an open source microblogging client for GNOME developed with Python and GTK.
Talon for Twitter - Elegantly designed, ad-free Twitter experience for Android
TweetDeck - TweetDeck is your personal browser for staying in touch with what’s happening now.
Echofon for Twitter - Download Echofon apk 3.1.3.3 for Android. Echofon for Android - A super clean Twitter app