A fork of pidgin which aims to provide minor features that have not been addressed by the pidgin development team (including manual textbox resizing). See funpidgin.sf.net for details.
RaidBot is a TCL based script for an EggDrop which provides features to organise attacks on Planetarion ( http://www.planetarion.com/ ) via IRC.
FleuryMichon is a flexible IRC daemon
Gircd is an ircd based off of ircu (undernet) with patches taken from QuakeNets asuka. It includes features such as sethosting, auditorium mode, and netriding protection. This is the current ircd for the genericnet irc network. (This is gircd1.x only)
IRC Daemon based on UnrealIRCd with added features and enhancements, including features from Bahamut, UltimateIRCd, Hybrid and other IRCd software.
Full-featured lightweight IRC client.