FluxBB vs PunBB
A side-by-side comparison of two self-hosted forums & community options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | FluxBB | PunBB |
|---|---|---|
| Deploy effort | Read-the-docs project | Read-the-docs project |
| Health score | 11 · At risk | 8 · At risk |
| Category | Forums & Community | Forums & Community |
| License | GPL-2.0 | GPL-2.0 |
| Language | PHP | PHP |
| Setup difficulty | Easy | Easy |
| Min. RAM | 128 MB | 128 MB |
| Deployment | bare-metal, source | bare-metal, source |
| GitHub stars | ★ 544 | ★ 199 |
| First released | 2008 | 2003 |
| Replaces | phpBB | phpBB |
What are FluxBB and PunBB?
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
PunBB
PunBB is a lightweight PHP discussion board that emphasizes speed and simplicity over an extensive feature set. It produces standards-compliant, fast-loading pages.
- Minimal and fast
- Standards-compliant output
- Low resource usage
- Simple administration
FluxBB vs PunBB: key differences
Both projects are written in PHP. PunBB is the more established project (first released 2003), while FluxBB arrived in 2008. FluxBB has the considerably larger community, at 544 GitHub stars versus 199.
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 PunBB 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
- Very basic feature set
- Limited active development
Frequently asked questions
Is FluxBB or PunBB 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 FluxBB and PunBB free and open-source?
Yes. FluxBB is licensed under GPL-2.0 and PunBB under GPL-2.0. Both can be self-hosted at no software cost.
Can I run FluxBB and PunBB with Docker?
FluxBB: check the project docs for container support. PunBB: check the project docs for container support.