mIRC [OS: Windows]
AdiIRC [OS: Windows]
WeeChat [OS: Linux / Windows (WSL)]
irssi [OS: Linux / Windows (WSL)]
HexChat [OS: Linux / Windows]
Pre-setup IRC-nERDs' WebChat Not sure how to setup irc and want to just chat? Wanna quickly bring a friend on chat from their PC?
The Lounge. Host your own webchat (VPS Required)