Irssi
The facts below are what the maker publishes about Irssi, checked and dated. Our editors have not written about it yet.
Plans and prices
From Irssi's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Irssi | Free | Chat client software; source code requires compilation or use of binary packages |
The facts
Each one read from Irssi's own pages, with the date it was checked.
What it does
- Authentication
- The manual describes SASL login configuration and notes that some networks have special login requirements.checked 11 Oct 2026
- Automation
- Users can configure automatic server connections and channel joins, and use scripts to manage channels.checked 11 Oct 2026
- Build requirements
- Building from source requires Ninja 1.5 and Meson 0.49, according to the download instructions.checked 11 Oct 2026
- Channels
- Yeschecked 20 Sep 2026
- Download integrity
- The download page provides a signature file and recommends verifying it with gpg --verify to check that the download was not tampered with.checked 11 Oct 2026
- Integrations
- IRC,ICB,SILC,XMPP,PSYC,Quassel,Matrix,Rocket.Chat,RobustIRCchecked 20 Sep 2026
- Product
- Irssi is a modular text mode chat client with IRC support built in.checked 11 Oct 2026
- Project history
- The homepage gives Irssi's estimated start year as 1999.checked 11 Oct 2026
- Protocols
- The project says Irssi can be used with IRC, ICB, or SILC through protocol modules.checked 11 Oct 2026
- Scripting
- Irssi provides a scripting API with signal handling and lists existing user scripts as an extension resource.checked 11 Oct 2026
- Security reporting
- The security page asks users to report security issues to [email protected] and lists past issues and affected versions.checked 11 Oct 2026
- Support
- User support is offered through the volunteer-based #irssi channel on Libera.Chat, and the site cautions that no one may be available immediately.checked 11 Oct 2026
- Themes
- Irssi is themeable, including the ability to theme every message and use true colours.checked 11 Oct 2026
- Third-party modules
- The modules page says third-party modules come without support or warranty from Irssi developers and should be used at the user's own risk.checked 11 Oct 2026
The company
- Founded
- 1999checked 28 Sep 2026
Where it runs
- Linux support
- Irssi runs on Unix-like systems, and the site points to distribution packages and binary builds for Linux distributions including Debian and Fedora.checked 11 Oct 2026
- Supported platforms
- Linux; Windows via Cygwin or WSLchecked 20 Sep 2026
- Windows support
- The site describes using Irssi on Windows through Cygwin or Microsoft WSL.checked 11 Oct 2026
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