Pidgin (Formerly Gaim)

[Scarecrow Man]

Pidgin is an instant messaging program for Windows, Linux, BSD, and other Unixes*. You can talk to your friends using AIM, ICQ, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, Novell GroupWise Messenger, QQ, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr.

Pidgin can log in to multiple accounts on multiple IM networks simultaneously. This means that you can be chatting with friends on AIM, talking to a friend on Yahoo Messenger, and sitting in an IRC channel all at the same time.

Pidgin can work with:

• AIM
  
• Bonjour
  
• Gadu-Gadu
  
• Google Talk
  
• Groupwise
  
• ICQ
  
• IRC
  
• MSN
  
• MySpaceIM
  
• QQ
  
• SILC
  
• SIMPLE
  
• Sametime
  
• XMPP
  
• Yahoo!
  
• Zephyr
  

Pidgin is free software. It is licensed under the GNU General Public License (GPL) version 2. This means you are free to use it and to modify it, but if you distribute your modifications you must distribute the modified source code as well.

http://www.pidgin.im/

*Looking for Pidgin on OS X? Try Adiumx!