Miranda IM

Website/Download: http://www.miranda-im.org/
License: Freeware
OS: Windows
Latest Version:
Publisher's description:
Miranda IM is a multi-protocol instant messaging client for Windows. Very light on system resources and extremely fast, Miranda IM requires no installation and can be made to fit on a single floppy disk or USB drive. Featuring a powerful plugin-based framework and boasting over 350 plugins, Miranda IM is one of the most flexible and customisable messaging clients on the planet.

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