MyBB 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 | MyBB | PunBB |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 83 · Excellent | 8 · At risk |
| Category | Forums & Community | Forums & Community |
| License | LGPL-3.0 | GPL-2.0 |
| Language | PHP | PHP |
| Setup difficulty | Easy | Easy |
| Min. RAM | 256 MB | 128 MB |
| Deployment | docker, bare-metal, source | bare-metal, source |
| GitHub stars | ★ 1,242 | ★ 199 |
| First released | 2005 | 2003 |
| Replaces | vBulletin, phpBB | phpBB |
What are MyBB and PunBB?
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
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
MyBB vs PunBB: key differences
Both projects are written in PHP. Licensing differs — LGPL-3.0 for MyBB versus GPL-2.0 for PunBB. PunBB is the lighter option, starting around 128 MB of RAM against 256 MB for MyBB. PunBB is the more established project (first released 2003), while MyBB arrived in 2005. MyBB has the considerably larger community, at 1,242 GitHub stars versus 199. MyBB lists first-class Docker deployment; PunBB does not.
Why pick each one
Choose MyBB if…
- Simple to install and run
- Good customization
Watch out for
- Classic forum styling
- No native real-time features
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 MyBB or PunBB better?
Neither is universally better. MyBB has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are MyBB and PunBB free and open-source?
Yes. MyBB is licensed under LGPL-3.0 and PunBB under GPL-2.0. Both can be self-hosted at no software cost.
Can I run MyBB and PunBB with Docker?
MyBB: yes. PunBB: check the project docs for container support.
Which is lighter on resources, MyBB or PunBB?
PunBB has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for MyBB. Real-world usage depends on library size, user count, and enabled features.