Forem vs lemmyBB
A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Forem
Open source community platform behind DEV
VS
lemmyBB
Forum-style web front-end for the Lemmy backend
| Feature | Forem | lemmyBB |
|---|---|---|
| Category | Forums & Community | Social Networks |
| License | AGPL-3.0 | AGPL-3.0 |
| Language | Ruby | JavaScript |
| Setup difficulty | Hard | Medium |
| Min. RAM | 2,048 MB | 128 MB |
| Deployment | docker, source | docker, binary, source |
| GitHub stars | ★ 22,760 | ★ 199 |
| First released | 2019 | 2023 |
| Replaces | Discourse, Reddit | 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 lemmyBB if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Written in JavaScript
- Tiny footprint — runs in 128 MB RAM
Frequently asked questions
Is Forem or lemmyBB better?
Neither is universally better. Forem has the larger community, while lemmyBB is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Forem and lemmyBB free and open-source?
Yes. Forem is licensed under AGPL-3.0 and lemmyBB under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Forem and lemmyBB with Docker?
Forem: yes. lemmyBB: yes.