irssi vs WeeChat
A side-by-side comparison of two self-hosted chat & communication options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
| Feature | irssi | WeeChat |
|---|---|---|
| Category | Chat & Communication | Chat & Communication |
| License | GPL-2.0 | GPL-3.0 |
| Language | C | C |
| Setup difficulty | Medium | Medium |
| Min. RAM | 32 MB | 64 MB |
| Deployment | bare-metal, binary, source | bare-metal, binary, source |
| GitHub stars | ★ 3,129 | ★ 3,366 |
| First released | 1999 | 2003 |
| Replaces | Slack | Slack |
Why pick each one
Choose irssi if…
- Released under the GPL-2.0 license
- Active community (3.1k GitHub stars)
- Written in C
- Tiny footprint — runs in 32 MB RAM
Choose WeeChat if…
- Released under the GPL-3.0 license
- Active community (3.4k GitHub stars)
- Written in C
- Tiny footprint — runs in 64 MB RAM
Frequently asked questions
Is irssi or WeeChat better?
Neither is universally better. WeeChat has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are irssi and WeeChat free and open-source?
Yes. irssi is licensed under GPL-2.0 and WeeChat under GPL-3.0. Both can be self-hosted at no software cost.
Can I run irssi and WeeChat with Docker?
irssi: check the project docs for container support. WeeChat: check the project docs for container support.