HexChat

HexChat is an IRC client based on XChat, but unlike XChat it’s completely free for both Windows and Unix-like systems. Since XChat is open source, it’s perfectly legal. For more info, please read the Shareware Background.

HexChat was originally called XChat-WDK which in turn was a successor of freakschat. For more info, please read the announcement. hexchat screenshot

Features

*Easy to use and customizable interface
*Cross-platform on Windows and Unix-like OSes
*Highly scriptable with Python and Perl
*Translated in multiple languages
*Fully open source and actively developed
*Multi-network with auto-connect, join, and identify

*Spellcheck, Proxies, SASL, DCC support and more...

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