And a much less feature complete: https://github.com/nickdesaulniers/fxos-irc https://github.com/nickdesaulniers/fxos-irc (100% client side, no websockets proxy

And a much less feature complete: https://github.com/nickdesaulniers/fxos-irc https://github.com/nickdesaulniers/fxos-irc (100% client side, no websockets proxy or such) or better: http://firessh.net/ http://firessh.net/ (add-on)