Forem vs SMF

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?
FeatureForemSMF
CategoryForums & CommunityForums & Community
LicenseAGPL-3.0BSD-3-Clause
LanguageRubyPHP
Setup difficultyHardEasy
Min. RAM2,048 MB256 MB
Deploymentdocker, sourcedocker, bare-metal, source
GitHub stars★ 22,760★ 745
First released20192004
ReplacesDiscourse, RedditvBulletin, phpBB

Why pick each one

Choose Forem if…

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Mature project with 22.8k GitHub stars
  • Written in Ruby
Forem details

Choose SMF if…

  • Reliable and well established
  • No licensing fees
SMF details

Frequently asked questions

Is Forem or SMF better?

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

Are Forem and SMF free and open-source?

Yes. Forem is licensed under AGPL-3.0 and SMF under BSD-3-Clause. Both can be self-hosted at no software cost.

Can I run Forem and SMF with Docker?

Forem: yes. SMF: yes.

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