Phorum vs YAF.NET
A side-by-side comparison of two self-hosted forums & community options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Phorum | YAF.NET |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 69 · Good | 80 · Excellent |
| Category | Forums & Community | Forums & Community |
| License | PHP-3.01 | Apache-2.0 |
| Language | PHP | C# |
| Setup difficulty | Medium | Medium |
| Min. RAM | 128 MB | 512 MB |
| Deployment | bare-metal, source | docker, bare-metal, source |
| GitHub stars | ★ 67 | ★ 548 |
| First released | 1998 | 2006 |
| Replaces | phpBB | phpBB, vBulletin |
What are Phorum and YAF.NET?
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
YAF.NET
YAF.NET, or Yet Another Forum.NET, is an open-source discussion forum package for ASP.NET. It offers a full forum experience for the Microsoft web stack.
- Native ASP.NET forum
- Theming and module support
- Granular permission system
- Moderation toolset
Phorum vs YAF.NET: key differences
Phorum is written in PHP, while YAF.NET is built with C#. Licensing differs — PHP-3.01 for Phorum versus Apache-2.0 for YAF.NET. Phorum is the lighter option, starting around 128 MB of RAM against 512 MB for YAF.NET. Phorum is the more established project (first released 1998), while YAF.NET arrived in 2006. YAF.NET has the considerably larger community, at 548 GitHub stars versus 67. YAF.NET lists first-class Docker deployment; Phorum does not.
Why pick each one
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
Choose YAF.NET if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Written in C#
- Lightweight — runs in 512 MB RAM
Watch out for
- .NET hosting required
- Smaller community than PHP forums
Frequently asked questions
Is Phorum or YAF.NET better?
Neither is universally better. YAF.NET has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Phorum and YAF.NET free and open-source?
Yes. Phorum is licensed under PHP-3.01 and YAF.NET under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Phorum and YAF.NET with Docker?
Phorum: check the project docs for container support. YAF.NET: yes.
Which is lighter on resources, Phorum or YAF.NET?
Phorum has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for YAF.NET. Real-world usage depends on library size, user count, and enabled features.