ElkArte vs FluxBB
A side-by-side comparison of two self-hosted forums & community options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | ElkArte | FluxBB |
|---|---|---|
| Deploy effort | Read-the-docs project | Read-the-docs project |
| Health score | 56 · Fair | 11 · At risk |
| Category | Forums & Community | Forums & Community |
| License | BSD-3-Clause | GPL-2.0 |
| Language | PHP | PHP |
| Setup difficulty | Easy | Easy |
| Min. RAM | 256 MB | 128 MB |
| Deployment | bare-metal, source | bare-metal, source |
| GitHub stars | ★ 188 | ★ 544 |
| First released | 2013 | 2008 |
| Replaces | SMF, phpBB, vBulletin | phpBB |
What are ElkArte and FluxBB?
ElkArte
ElkArte is a modern, free, and open-source community forum platform derived from SMF. It emphasizes a clean interface, drag-and-drop posting features, and a flexible permission system.
- Drag-and-drop attachments
- Granular permissions
- Mention and notification system
- Theme support
FluxBB
FluxBB is a fast and lightweight forum application designed to be simpler and quicker than larger forum packages. It focuses on a clean experience for small to medium communities.
- Very lightweight and fast
- Clean simple interface
- Low server requirements
- Easy to administer
ElkArte vs FluxBB: key differences
Both projects are written in PHP. Licensing differs — BSD-3-Clause for ElkArte versus GPL-2.0 for FluxBB. FluxBB is the lighter option, starting around 128 MB of RAM against 256 MB for ElkArte. FluxBB is the more established project (first released 2008), while ElkArte arrived in 2013. FluxBB has the considerably larger community, at 544 GitHub stars versus 188.
Why pick each one
Choose ElkArte if…
- Released under the BSD-3-Clause license
- Easy to set up — beginner-friendly
- Written in PHP
- Tiny footprint — runs in 256 MB RAM
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
Watch out for
- Minimal feature set
- Slow development
Frequently asked questions
Is ElkArte or FluxBB better?
Neither is universally better. FluxBB has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are ElkArte and FluxBB free and open-source?
Yes. ElkArte is licensed under BSD-3-Clause and FluxBB under GPL-2.0. Both can be self-hosted at no software cost.
Can I run ElkArte and FluxBB with Docker?
ElkArte: check the project docs for container support. FluxBB: check the project docs for container support.
Which is lighter on resources, ElkArte or FluxBB?
FluxBB has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for ElkArte. Real-world usage depends on library size, user count, and enabled features.