Forem vs JForum
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?
| Feature | Forem | JForum |
|---|---|---|
| Category | Forums & Community | Forums & Community |
| License | AGPL-3.0 | BSD-3-Clause |
| Language | Ruby | Java |
| Setup difficulty | Hard | Medium |
| Min. RAM | 2,048 MB | 512 MB |
| Deployment | docker, source | bare-metal, source |
| GitHub stars | ★ 22,760 | ★ 224 |
| First released | 2019 | 2010 |
| 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 JForum if…
- Released under the BSD-3-Clause license
- Written in Java
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is Forem or JForum better?
Neither is universally better. Forem has the larger community, while JForum is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Forem and JForum free and open-source?
Yes. Forem is licensed under AGPL-3.0 and JForum under BSD-3-Clause. Both can be self-hosted at no software cost.
Can I run Forem and JForum with Docker?
Forem: yes. JForum: check the project docs for container support.