Forem vs FluxBB
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
FluxBB
Fast, light and user-friendly forum application
| Feature | Forem | FluxBB |
|---|---|---|
| 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 | ★ 541 |
| First released | 2019 | 2008 |
| 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 FluxBB 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 FluxBB better?
Neither is universally better. Forem has the larger community, while FluxBB is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Forem and FluxBB free and open-source?
Yes. Forem is licensed under AGPL-3.0 and FluxBB under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Forem and FluxBB with Docker?
Forem: yes. FluxBB: check the project docs for container support.