Gwibber - Gwibber is an open source microblogging client for GNOME developed with Python and GTK.
ConvertAll - A comprehensive unit conversion program.
Choqok - Choqok - KDE Micro-Blogging Client The name comes from an ancient Persian word, means Sparrow!
Converter NOW - A simple, immediate and fast unit converter!
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.