Phorum vs FUDforum

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?
FeaturePhorumFUDforum
Deploy effortRead-the-docs projectRead-the-docs project
CategoryForums & CommunityForums & Community
LicensePHP-3.01GPL-2.0
LanguagePHPPHP
Setup difficultyMediumMedium
Min. RAM128 MB256 MB
Deploymentbare-metal, sourcebare-metal, source
GitHub stars★ 67★ 80
First released19982001
ReplacesphpBBphpBB, vBulletin

What are Phorum and FUDforum?

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

FUDforum

FUDforum is a fast, scalable, and highly customizable open-source bulletin board with an integrated mail and news gateway. It handles large user bases and supports multiple database backends.

  • Mail and news gateway
  • Scales to large user bases
  • Multiple database support
  • Theme customization

Phorum vs FUDforum: key differences

Both projects are written in PHP. Licensing differs — PHP-3.01 for Phorum versus GPL-2.0 for FUDforum. Phorum is the lighter option, starting around 128 MB of RAM against 256 MB for FUDforum. Phorum is the more established project (first released 1998), while FUDforum arrived in 2001.

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
Phorum details

Choose FUDforum if…

  • Released under the GPL-2.0 license
  • Written in PHP
  • Tiny footprint — runs in 256 MB RAM
FUDforum details

Frequently asked questions

Is Phorum or FUDforum better?

Neither is universally better. FUDforum has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Phorum and FUDforum free and open-source?

Yes. Phorum is licensed under PHP-3.01 and FUDforum under GPL-2.0. Both can be self-hosted at no software cost.

Can I run Phorum and FUDforum with Docker?

Phorum: check the project docs for container support. FUDforum: check the project docs for container support.

Which is lighter on resources, Phorum or FUDforum?

Phorum has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for FUDforum. Real-world usage depends on library size, user count, and enabled features.

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