Ferdium vs irssi
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?
Ferdium
All-in-one messenger that combines chat services
VS
irssi
Modular terminal IRC client with scripting
| Feature | Ferdium | irssi |
|---|---|---|
| Category | Chat & Communication | Chat & Communication |
| License | Apache-2.0 | GPL-2.0 |
| Language | TypeScript | C |
| Setup difficulty | Easy | Medium |
| Min. RAM | 512 MB | 32 MB |
| Deployment | docker, binary, source | bare-metal, binary, source |
| GitHub stars | ★ 4,478 | ★ 3,129 |
| First released | 2021 | 1999 |
| Replaces | Rambox, Station | Slack |
Why pick each one
Choose Ferdium if…
- Released under the Apache-2.0 license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Active community (4.5k GitHub stars)
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
Frequently asked questions
Is Ferdium or irssi better?
Ferdium is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider irssi if its specific feature set fits your needs better.
Are Ferdium and irssi free and open-source?
Yes. Ferdium is licensed under Apache-2.0 and irssi under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Ferdium and irssi with Docker?
Ferdium: yes. irssi: check the project docs for container support.