Discuz! X vs FluxBB
A side-by-side comparison of two self-hosted forums & community options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Discuz! X
Widely used Chinese-origin community forum system
VS
FluxBB
Fast, light and user-friendly forum application
| Feature | Discuz! X | FluxBB |
|---|---|---|
| Category | Forums & Community | Forums & Community |
| License | GPL-3.0 | GPL-2.0 |
| Language | PHP | PHP |
| Setup difficulty | Medium | Easy |
| Min. RAM | 512 MB | 128 MB |
| Deployment | docker, bare-metal, source | bare-metal, source |
| GitHub stars | ★ 25 | ★ 541 |
| First released | 2010 | 2008 |
| Replaces | phpBB, vBulletin | phpBB |
Why pick each one
Choose Discuz! X if…
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Written in PHP
- Lightweight — runs in 512 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
Frequently asked questions
Is Discuz! X or FluxBB better?
FluxBB is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Discuz! X if its specific feature set fits your needs better.
Are Discuz! X and FluxBB free and open-source?
Yes. Discuz! X is licensed under GPL-3.0 and FluxBB under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Discuz! X and FluxBB with Docker?
Discuz! X: yes. FluxBB: check the project docs for container support.