
HexChat
HexChat is an IRC client based on XChat for Linux , but unlike XChat it’s completely free for both Windows and Unix-like systems. HexChat was originally called XChat-WDK which in turn was a successor of freakschat.
Features Easy to use and customizable interface Cross-platform on Windows, OS X, 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