Instantbird is a customizable instant messaging client with support for AOL, Yahoo, MSN, Google Talk, Twitter, Facebook, XMPP, IRC and ICQ. It's powered by Mozilla so it has support for customization using themes and extensions built-in.
What's new in version 1.4
In version 1.4 IRC authentication works better with bouncers.
ReleaseMay 20, 2013
Date AddedMay 21, 2013
Operating SystemsWindows 2003, Windows 2000, Windows Vista, Windows, Windows 7, Windows XP