WeeChat (Wee Enhanced Environment for Chat) is a free and open-source Internet Relay Chat client that is designed to be light and fast.

Glowing Bear,[3] a web frontend) through the use of the relay plugin.

[4] WeeChat's features include:[5] WeeChat supports most platforms and operating systems, including Linux, BSD, macOS, Debian GNU/Hurd, HP-UX, Solaris, QNX, Haiku, and Microsoft Windows (via the Cygwin library and API).

[6] Binary packages and builds of WeeChat are available for installation as well as the source code for self compilation.

[14] In his review for Free Software Magazine, Martin Brown graded WeeChat with 43 points out of a possible 50, noting that "At first glance, WeeChat is not as friendly or easy to use as Rhapsody", but, "There’s a lot of hidden power built into the application", including Python, Perl, Ruby and Lua extensions which can be selected at installation.