Discuz! X vs Phorum
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 | Phorum |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 0 · At risk | 69 · Good |
| Category | Forums & Community | Forums & Community |
| License | GPL-3.0 | PHP-3.01 |
| Language | PHP | PHP |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 128 MB |
| Deployment | docker, bare-metal, source | bare-metal, source |
| GitHub stars | ★ 25 | ★ 67 |
| First released | 2010 | 1998 |
| Replaces | phpBB, vBulletin | phpBB |
What are Discuz! X and Phorum?
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
Phorum
Phorum is one of the oldest PHP-based forum applications, designed to be fast and lightweight. It supports modules, custom templates, and email integration for discussions.
- Lightweight and fast
- Module and template system
- Email-to-forum integration
- Long-established codebase
Discuz! X vs Phorum: key differences
Both projects are written in PHP. Licensing differs — GPL-3.0 for Discuz! X versus PHP-3.01 for Phorum. Phorum is the lighter option, starting around 128 MB of RAM against 512 MB for Discuz! X. Phorum is the more established project (first released 1998), while Discuz! X arrived in 2010. Phorum has the considerably larger community, at 67 GitHub stars versus 25. Discuz! X lists first-class Docker deployment; Phorum does not.
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 Phorum if…
- Released under the PHP-3.01 license
- Written in PHP
- Tiny footprint — runs in 128 MB RAM
Watch out for
- Development largely dormant
- Dated interface
Frequently asked questions
Is Discuz! X or Phorum better?
Neither is universally better. Phorum has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Discuz! X and Phorum free and open-source?
Yes. Discuz! X is licensed under GPL-3.0 and Phorum under PHP-3.01. Both can be self-hosted at no software cost.
Can I run Discuz! X and Phorum with Docker?
Discuz! X: yes. Phorum: check the project docs for container support.
Which is lighter on resources, Discuz! X or Phorum?
Phorum has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for Discuz! X. Real-world usage depends on library size, user count, and enabled features.