Nitwit

Nitwit, the cross-platform microblogging client for Twitter, Jaiku and other platforms including Jabber and IRC.

Features include:

Desktop application for GNU/Linux, Windows and Mac OS X (screenshot)
Works accross many protocols like Twitter, Jaiku, Jabber and IRC
Multilanguage (french, english and more to come)
Extremely simple interface

You can download a preview or check the README. Comments?

Code by Robin Millette. Graphics by Frédéric Guimont (Nitwit logo in SVG).