 | |
 A screenshot of Irssi. | |
| Original author(s) | Timo Sirainen |
|---|---|
| Developer(s) | The Irssi team |
| Initial release | January 1999[1] |
| Stable release | 1.4.5[2] 
/ 3 October 2023 |
| Repository | |
| Written in | C, Perl[3] |
| Operating system | Cross-platform |
| Type | IRC client |
| License | GPL-2.0-or-later[4] |
| Website | irssi |
Irssi (Finnish pronunciation: [ˈirsːi] (listen)) is an Internet Relay Chat (IRC) 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.[1]
The program has a text-based user interface was written from scratch using C. It may be customized by editing its config files or by installing plugins and Perl scripts. Though initially developed for Unix-like operating systems, it has been successfully ported to both Windows and macOS.