mIRC, Pidgin, Adium, HexChat, SeaMonkey, Quassel IRC, KVIrc, ZeroChat, Kiwi IRC, XChat for Linux, Colloquy, IRCCloud, irssi, Talkonaut, Maid-IRC, Convos, Atomic IRC, Konversation, WebIRC, IRCAnywhere, HoloIRC, CenterICQ, Revolt (for Riot), Web-IRC, XChat for Windows, relay.js, jsIRC, Jabbin, sushi IRC suite, Qwebirc, jakeIRC, MetroIRC, Jabiru, Smuxi, Nettalk, Kaiwa, CGI:IRC, Visual IRC 2, MegaIRC, Pidgin on MacOSX, Hextor, Gnotty, leafChat, Yaaic, Kaidan, Srain, LostIRC are some alternatives to WeeChat.