Discuz! X vs PunBB

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?
FeatureDiscuz! XPunBB
CategoryForums & CommunityForums & Community
LicenseGPL-3.0GPL-2.0
LanguagePHPPHP
Setup difficultyMediumEasy
Min. RAM512 MB128 MB
Deploymentdocker, bare-metal, sourcebare-metal, source
GitHub stars★ 25★ 197
First released20102003
ReplacesphpBB, vBulletinphpBB

Why pick each one

Choose Discuz! X if…

  • Released under the GPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in PHP
  • Lightweight — runs in 512 MB RAM
Discuz! X details

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
PunBB details

Frequently asked questions

Is Discuz! X or PunBB better?

PunBB is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Discuz! X if its specific feature set fits your needs better.

Are Discuz! X and PunBB free and open-source?

Yes. Discuz! X is licensed under GPL-3.0 and PunBB under GPL-2.0. Both can be self-hosted at no software cost.

Can I run Discuz! X and PunBB with Docker?

Discuz! X: yes. PunBB: check the project docs for container support.

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