Hexchat is a FOSS IRC client.

Download: https://hexchat.github.io/

Setup.

  • In the Network List page
    • Define a nickname, and backup nicknames, and a username.
    • In the Networks section click add and name the network Diversity.
    • Edit the Diversity network
      • Add a server irc.diversitymc.net:6667.
      • You may check the connect automatically
      • You can adjust the Autojoin channels
        • Consider setting to autojoin #smp, and #general

network list

edit network

autojoin