lemmyBB vs Vanilla Forums
A side-by-side comparison of two self-hosted social networks options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | lemmyBB | Vanilla Forums |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Status | Archived | Archived |
| Category | Social Networks | Social Networks |
| License | AGPL-3.0 | GPL-2.0 |
| Language | JavaScript | PHP |
| Setup difficulty | Medium | Medium |
| Min. RAM | 128 MB | 512 MB |
| Deployment | docker, binary, source | docker, bare-metal, source |
| GitHub stars | ★ 200 | ★ 2,800 |
| First released | 2023 | 2009 |
| Replaces | Reddit, phpBB | phpBB, Discourse |
What are lemmyBB and Vanilla Forums?
lemmyBB
lemmyBB is an alternative front-end for Lemmy that presents the federated link aggregator with a traditional phpBB-style forum interface. It connects to any Lemmy instance through the public API.
- Classic forum-style Lemmy UI
- Works with any Lemmy instance
- Lightweight Rust front-end
- ActivityPub Threadiverse
Vanilla Forums
Vanilla is an open-source community forum and discussion software written in PHP. It powers Q&A communities, idea boards, and traditional forums with a plugin and theme ecosystem.
- Discussions, Q&A, and ideas
- Plugin and theme system
- Social sign-in
- REST API
lemmyBB vs Vanilla Forums: key differences
Note that both projects' repositories are archived — neither is actively developed. LemmyBB is written in JavaScript, while Vanilla Forums is built with PHP. Licensing differs — AGPL-3.0 for lemmyBB versus GPL-2.0 for Vanilla Forums. LemmyBB is the lighter option, starting around 128 MB of RAM against 512 MB for Vanilla Forums. Vanilla Forums is the more established project (first released 2009), while lemmyBB arrived in 2023. Vanilla Forums has the considerably larger community, at 2,800 GitHub stars versus 200.
Why pick each one
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
Choose Vanilla Forums if…
- Flexible community formats
- Established platform
Watch out for
- Best features in cloud edition
- Setup can be involved
Frequently asked questions
Is lemmyBB or Vanilla Forums better?
Neither is universally better. Vanilla Forums has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are lemmyBB and Vanilla Forums free and open-source?
Yes. lemmyBB is licensed under AGPL-3.0 and Vanilla Forums under GPL-2.0. Both can be self-hosted at no software cost.
Can I run lemmyBB and Vanilla Forums with Docker?
lemmyBB: yes. Vanilla Forums: yes.
Which is lighter on resources, lemmyBB or Vanilla Forums?
lemmyBB has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for Vanilla Forums. Real-world usage depends on library size, user count, and enabled features.