mIRC, HexChat, SeaMonkey, Quassel IRC, KVIrc, AndroIRC, Kiwi IRC, The Lounge, Mutter, dirc, LimeChat, irc.lc, Ripcord, XChat for Linux, lightIRC, Mibbit, ZNC, WeeChat, Colloquy, Konversation, Chatzilla, IRCAnywhere, Linkinus, Tiny Tiny IRC, Web-IRC, sushi IRC suite, Smuxi, wsIRC, Visual IRC 2, HydraIRC, MIRGGI are some alternatives to IRCCloud.