Irssi
Computer program
Irssi is an Internet Relay Chat client program for Linux, FreeBSD, macOS and Microsoft Windows. It was originally written by Timo Sirainen, and released under the terms of the GNU GPL-2.0-or-later in January 1999. Wikipedia
Initial release: January 1999; 25 years ago
License: GPL-2.0-or-later
Stable release: 1.4.5 / 3 October 2023