Pidgin Portable is Portable Instant Messaging software that allows users to have access to all of his or her Instant Messaging accounts from one simple to use application. Pidgin Portable is based on the popular Open Source Pidgin IM software. It supports AOL, Yahoo, MSN, ICQ and Jabber networks and additional encryption plugins are available via the authors website.
Pidgin Portable IM Screenshot:
Authors Website: Pidgin Portable
License: Open Source
Download: You can download it directly from HERE