TermBar - Your terminal in your Mac menubar
mIRC - mIRC: Internet Relay Chat client
Chattt - Easily chat with people from your terminal 👨💻💬
Hyper - Extensible, cross-platform terminal built on open web standards.
irssi - Irssi is a terminal based IRC client for UNIX systems.
iTerm2 - A terminal emulator for macOS that does amazing things.