WeeChat (Wee Enhanced Environment for Chat) is an extensible IRC client, which is designed to be light and fast. It comes with a default ncurses interface, but through the use of the relay plugin, it's possible to use other interfaces.
- Project site: https://weechat.org
- License: GPLv3
- Supported platforms: Linux, BSD, macOS, Debian GNU/Hurd, HP-UX, Solaris, QNX, Haiku, and Microsoft Windows (via Cygwin).