Forem vs PunBB
A side-by-side comparison of two self-hosted forums & community options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Forem
Open source community platform behind DEV
VS
PunBB
Fast and lightweight PHP-powered discussion board
| Feature | Forem | PunBB |
|---|---|---|
| Category | Forums & Community | Forums & Community |
| License | AGPL-3.0 | GPL-2.0 |
| Language | Ruby | PHP |
| Setup difficulty | Hard | Easy |
| Min. RAM | 2,048 MB | 128 MB |
| Deployment | docker, source | bare-metal, source |
| GitHub stars | ★ 22,760 | ★ 197 |
| First released | 2019 | 2003 |
| Replaces | Discourse, Reddit | phpBB |
Why pick each one
Choose Forem if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Mature project with 22.8k GitHub stars
- Written in Ruby
Choose PunBB if…
- Released under the GPL-2.0 license
- Easy to set up — beginner-friendly
- Written in PHP
- Tiny footprint — runs in 128 MB RAM
Frequently asked questions
Is Forem or PunBB better?
Neither is universally better. Forem has the larger community, while PunBB is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Forem and PunBB free and open-source?
Yes. Forem is licensed under AGPL-3.0 and PunBB under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Forem and PunBB with Docker?
Forem: yes. PunBB: check the project docs for container support.