Flarum vs SMF

A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.

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FeatureFlarumSMF
CategorySocial NetworksForums & Community
LicenseMITBSD-3-Clause
LanguagePHPPHP
Setup difficultyMediumEasy
Min. RAM512 MB256 MB
Deploymentdocker, bare-metal, sourcedocker, bare-metal, source
GitHub stars★ 6,739★ 745
First released20152004
ReplacesphpBB, vBulletinvBulletin, phpBB

Why pick each one

Choose Flarum if…

  • Fast and clean interface
  • Easy to extend
Flarum details

Choose SMF if…

  • Reliable and well established
  • No licensing fees
SMF details

Frequently asked questions

Is Flarum or SMF better?

Neither is universally better. Flarum 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 Flarum and SMF free and open-source?

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

Can I run Flarum and SMF with Docker?

Flarum: yes. SMF: yes.

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