PunBB vs Lobsters

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?
FeaturePunBBLobsters
CategoryForums & CommunityForums & Community
LicenseGPL-2.0BSD-3-Clause
LanguagePHPRuby
Setup difficultyEasyMedium
Min. RAM128 MB512 MB
Deploymentbare-metal, sourcebare-metal, source
GitHub stars★ 197★ 4,814
First released20032012
ReplacesphpBBReddit, Hacker News

Why pick each one

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

Choose Lobsters if…

  • Released under the BSD-3-Clause license
  • Active community (4.8k GitHub stars)
  • Written in Ruby
  • Lightweight — runs in 512 MB RAM
Lobsters details

Frequently asked questions

Is PunBB or Lobsters better?

Neither is universally better. Lobsters has the larger community, while PunBB is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are PunBB and Lobsters free and open-source?

Yes. PunBB is licensed under GPL-2.0 and Lobsters under BSD-3-Clause. Both can be self-hosted at no software cost.

Can I run PunBB and Lobsters with Docker?

PunBB: check the project docs for container support. Lobsters: check the project docs for container support.

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