Irssi

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Irssi

A screenshot of Irssi.
Developer:	The Irssi project
Latest release:	0.8.11-rc1 / February 20, 2007
Use:	IRC client
License:	GNU General Public License
Website:	www.irssi.org

Irssi is an IRC client program originally written by Timo Sirainen, and released under the terms of the GNU General Public License. It is written in the C programming language and in normal operation uses a text-mode user interface.

Irssi was written primarily to run on Unix-like operating systems but also runs under Microsoft Windows, using Cygwin, or can be run without Cygwin (though most features don't work, such as separate windows for each channel).

Fully featured versions are available for the UNIX-based Mac OS X, including a text-mode version using Fink, a native graphical version named MacIrssi and formerly the Cocoa client Colloquy (which now uses its own IRC core implementation).

Unlike some text mode IRC clients, Irssi is not based on the ircII code, and was written from scratch. This freed the developers from having to deal with the constraints of an existing codebase, allowing them to maintain tighter control over issues such as security and customization. Numerous modules and Perl scripts have been made available for Irssi to customise how it looks and operates.

Irssi may be configured using the user interface, or if necessary, by manually editing the configuration files, which use a syntax resembling Perl data structures.

In May 2002, Irssi's autoconf "configure" script was found to have been backdoored for two months, the binary was never backdoored. The problem was fixed shortly after discovery [1]