Inspircd is pretty easy to set up (as a server). Hexchat is a great client, Weechat is great for a commandline client. If you have server access you can also se

Inspircd is pretty easy to set up (as a server). Hexchat is a great client, Weechat is great for a commandline client. If you have server access you can also set up Kiwi which is a webclient, making it easy for those with less tech prowess to connect.