Like pidgin IM client for which written in All in one messanger, Miranda IM is also all in one messenger, it is a multi-protocol instant messaging client for Windows. but like pidgin it doesn't supported on linux platform.

Features

• it's very lite on the systme resources
• no intallation needed
• faster perfomence
• Miranda IM is one of the most flexible and customisable messaging clients on the planet
• requires less memory to store the application so you can carry it in your memory drive.

Supported Operating Systems are
Windows 95 / 98 / ME / NT / 2000 / 2003 / XP / Vista

Protocol Support

• AIM (AOL Instant Messenger)
• Gadu-Gadu
• IAX (Inter-Asterisk Exchange)
• ICQ
• IRC (Internet Relay Chat)
• Jabber
• MSN
• Netsend
• Tlen
• Yahoo
• And more...

DownLoad: http://www.miranda-im.org/download/

Related: All in one messenger