FlaskBB 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 | FlaskBB | Phorum |
|---|---|---|
| Deploy effort | Read-the-docs project | Read-the-docs project |
| Health score | 87 · Excellent | 69 · Good |
| Category | Forums & Community | Forums & Community |
| License | BSD-3-Clause | PHP-3.01 |
| Language | Python | PHP |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 128 MB |
| Deployment | bare-metal, source | bare-metal, source |
| GitHub stars | ★ 2,664 | ★ 67 |
| First released | 2014 | 1998 |
| Replaces | phpBB | phpBB |
What are FlaskBB and Phorum?
FlaskBB
FlaskBB is a forum software built with the Python Flask framework, providing categories, forums, topics, private messages, and a moderation system. It is lightweight and easy to deploy.
- Flask-based forum software
- Private messaging and moderation
- Lightweight Python deployment
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
FlaskBB vs Phorum: key differences
FlaskBB is written in Python, while Phorum is built with PHP. Licensing differs — BSD-3-Clause for FlaskBB versus PHP-3.01 for Phorum. Phorum is the lighter option, starting around 128 MB of RAM against 256 MB for FlaskBB. Phorum is the more established project (first released 1998), while FlaskBB arrived in 2014. FlaskBB has the considerably larger community, at 2,664 GitHub stars versus 67.
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 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 FlaskBB or Phorum better?
Neither is universally better. FlaskBB has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are FlaskBB and Phorum free and open-source?
Yes. FlaskBB is licensed under BSD-3-Clause and Phorum under PHP-3.01. Both can be self-hosted at no software cost.
Can I run FlaskBB and Phorum with Docker?
FlaskBB: check the project docs for container support. Phorum: check the project docs for container support.
Which is lighter on resources, FlaskBB or Phorum?
Phorum has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for FlaskBB. Real-world usage depends on library size, user count, and enabled features.