FlaskBB vs phpBB mChat
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?
| Feature | FlaskBB | phpBB mChat |
|---|---|---|
| Category | Forums & Community | Forums & Community |
| License | BSD-3-Clause | GPL-2.0 |
| Language | Python | PHP |
| Setup difficulty | Medium | Easy |
| Min. RAM | 256 MB | 64 MB |
| Deployment | bare-metal, source | source |
| GitHub stars | ★ 2,660 | ★ 14 |
| First released | 2014 | 2014 |
| Replaces | phpBB | vBulletin chatbox |
Why pick each one
Choose FlaskBB if…
- Released under the BSD-3-Clause license
- Active community (2.7k GitHub stars)
- Written in Python
- Tiny footprint — runs in 256 MB RAM
Choose phpBB mChat if…
- Released under the GPL-2.0 license
- Easy to set up — beginner-friendly
- Written in PHP
- Tiny footprint — runs in 64 MB RAM
Frequently asked questions
Is FlaskBB or phpBB mChat better?
Neither is universally better. FlaskBB has the larger community, while phpBB mChat is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are FlaskBB and phpBB mChat free and open-source?
Yes. FlaskBB is licensed under BSD-3-Clause and phpBB mChat under GPL-2.0. Both can be self-hosted at no software cost.
Can I run FlaskBB and phpBB mChat with Docker?
FlaskBB: check the project docs for container support. phpBB mChat: check the project docs for container support.