Flarum vs Discuz! X
A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Flarum
Simple, fast, free forum software
VS
Discuz! X
Widely used Chinese-origin community forum system
| Feature | Flarum | Discuz! X |
|---|---|---|
| Category | Social Networks | Forums & Community |
| License | MIT | GPL-3.0 |
| Language | PHP | PHP |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 512 MB |
| Deployment | docker, bare-metal, source | docker, bare-metal, source |
| GitHub stars | ★ 6,739 | ★ 25 |
| First released | 2015 | 2010 |
| Replaces | phpBB, vBulletin | phpBB, vBulletin |
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
Frequently asked questions
Is Flarum or Discuz! X better?
Neither is universally better. Flarum has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Flarum and Discuz! X free and open-source?
Yes. Flarum is licensed under MIT and Discuz! X under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Flarum and Discuz! X with Docker?
Flarum: yes. Discuz! X: yes.