Pidgin is a multi-protocol instant messaging client that allows you to log in to multiple accounts on multiple IM such as Yahoo, msn, AIM, ICQ and Jabber simultaneously.

So instead of openning 4 or 5 softwares on your desktop, you open only one and chat with all your friends with ease.

Pidgin supports many features of the various networks, such as file transfer (coming soon), away messages, typing notification, and MSN window closing notification.

These are the supported IM clients:

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

Pidgin runs on Windows, Linux, and other UNIX operating systems. Download Pidgin