FluxBB vs FUDforum
A side-by-side comparison of two self-hosted forums & community options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | FluxBB | FUDforum |
|---|---|---|
| Deploy effort | Read-the-docs project | Read-the-docs project |
| Category | Forums & Community | Forums & Community |
| License | GPL-2.0 | GPL-2.0 |
| Language | PHP | PHP |
| Setup difficulty | Easy | Medium |
| Min. RAM | 128 MB | 256 MB |
| Deployment | bare-metal, source | bare-metal, source |
| GitHub stars | ★ 544 | ★ 80 |
| First released | 2008 | 2001 |
| Replaces | phpBB | phpBB, vBulletin |
What are FluxBB and FUDforum?
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
FUDforum
FUDforum is a fast, scalable, and highly customizable open-source bulletin board with an integrated mail and news gateway. It handles large user bases and supports multiple database backends.
- Mail and news gateway
- Scales to large user bases
- Multiple database support
- Theme customization
FluxBB vs FUDforum: key differences
Both projects are written in PHP. FluxBB is the lighter option, starting around 128 MB of RAM against 256 MB for FUDforum. FUDforum is the more established project (first released 2001), while FluxBB arrived in 2008. FluxBB has the considerably larger community, at 544 GitHub stars versus 80.
Why pick each one
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
Choose FUDforum if…
- Released under the GPL-2.0 license
- Written in PHP
- Tiny footprint — runs in 256 MB RAM
Frequently asked questions
Is FluxBB or FUDforum better?
FluxBB is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider FUDforum if its specific feature set fits your needs better.
Are FluxBB and FUDforum free and open-source?
Yes. FluxBB is licensed under GPL-2.0 and FUDforum under GPL-2.0. Both can be self-hosted at no software cost.
Can I run FluxBB and FUDforum with Docker?
FluxBB: check the project docs for container support. FUDforum: check the project docs for container support.
Which is lighter on resources, FluxBB or FUDforum?
FluxBB has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for FUDforum. Real-world usage depends on library size, user count, and enabled features.