Discuz! X vs MyBB
A side-by-side comparison of two self-hosted forums & community options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Discuz! X | MyBB |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 0 · At risk | 83 · Excellent |
| Category | Forums & Community | Forums & Community |
| License | GPL-3.0 | LGPL-3.0 |
| Language | PHP | PHP |
| Setup difficulty | Medium | Easy |
| Min. RAM | 512 MB | 256 MB |
| Deployment | docker, bare-metal, source | docker, bare-metal, source |
| GitHub stars | ★ 25 | ★ 1,242 |
| First released | 2010 | 2005 |
| Replaces | phpBB, vBulletin | vBulletin, phpBB |
What are Discuz! X and MyBB?
Discuz! X
Discuz! X is a popular forum and community management system, especially prevalent in Chinese-speaking communities. It offers forums, portals, groups, and a plugin ecosystem.
- Forums, portal and groups
- Large plugin and template market
- Strong moderation tooling
- Mobile and app support
MyBB
MyBB is a free, open-source forum software focused on being easy to use, customizable, and extensible. It provides a powerful moderation suite and a plugin and theme system.
- Easy administration panel
- Plugin and theme system
- Powerful moderation tools
- Lightweight footprint
Discuz! X vs MyBB: key differences
Both projects are written in PHP. Licensing differs — GPL-3.0 for Discuz! X versus LGPL-3.0 for MyBB. MyBB is the lighter option, starting around 256 MB of RAM against 512 MB for Discuz! X. MyBB is the more established project (first released 2005), while Discuz! X arrived in 2010. MyBB has the considerably larger community, at 1,242 GitHub stars versus 25.
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
Watch out for
- Documentation mostly in Chinese
- Dated codebase
Choose MyBB if…
- Simple to install and run
- Good customization
Watch out for
- Classic forum styling
- No native real-time features
Frequently asked questions
Is Discuz! X or MyBB better?
MyBB 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 MyBB free and open-source?
Yes. Discuz! X is licensed under GPL-3.0 and MyBB under LGPL-3.0. Both can be self-hosted at no software cost.
Can I run Discuz! X and MyBB with Docker?
Discuz! X: yes. MyBB: yes.
Which is lighter on resources, Discuz! X or MyBB?
MyBB has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Discuz! X. Real-world usage depends on library size, user count, and enabled features.