mIRC, Adium, HexChat, SeaMonkey, Quassel IRC, KVIrc, AndroIRC, ZeroChat, Kiwi IRC, LimeChat, irc.lc, XChat for Linux, lightIRC, Mibbit, WeeChat, Colloquy, Glowing Bear, Maid-IRC, Convos, Atomic IRC, Konversation, WebIRC, Chatzilla, AdiIRC, HoloIRC, Tiny Tiny IRC, Web-IRC, PChat-IRC, XChat for Windows, relay.js, jsIRC, sushi IRC suite, Qwebirc, jakeIRC, AmIRC, Smuxi, Nettalk, wsIRC, CGI:IRC, Visual IRC 2, MegaIRC, HydraIRC, Floe, Hextor, Gnotty, ChatButton, leafChat, Yaaic, MIRGGI, Kaidan, Srain, LostIRC are some alternatives to Irssi.