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.

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

Developer: Miranda
License: Freeware
OS: Windows All
Size: 2.4 MB
Download Miranda Miranda IM 0.7.6 Preview Release #1 link

mIRC is a full featured Internet Relay Chat client for Windows that can be used to communicate, share, play or work with others on IRC networks around the world, either in multi-user group conferences or in one-to-one private discussions.

It has a clean, practical interface that is highly configurable and supports features such as buddy lists, file transfers, multi-server connections, SSL encryption, proxy support, UTF-8 display, customizable sounds, spoken messages, tray notifications, message logging, and more.

mIRC also has a powerful scripting language that can be used both to automate mIRC and to create applications that perform a wide range of functions from network communications to playing games.

mIRC has been in development for over a decade and is constantly being improved and updated with new technologies. The latest news about mIRC can be found on the latest news page.

Developer: mIRC
License: Shareware
OS: Windows All
Size: 1.6 MB
Download mIRC 6.31 link