SMF vs Utterances

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?
FeatureSMFUtterances
CategoryForums & CommunityForums & Community
LicenseBSD-3-ClauseMIT
LanguagePHPTypeScript
Setup difficultyEasyEasy
Min. RAM256 MB32 MB
Deploymentdocker, bare-metal, sourcebare-metal, source
GitHub stars★ 745★ 9,696
First released20042018
ReplacesvBulletin, phpBBDisqus

Why pick each one

Choose SMF if…

  • Reliable and well established
  • No licensing fees
SMF details

Choose Utterances if…

  • Released under the MIT license
  • Easy to set up — beginner-friendly
  • Mature project with 9.7k GitHub stars
  • Written in TypeScript
Utterances details

Frequently asked questions

Is SMF or Utterances better?

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

Are SMF and Utterances free and open-source?

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

Can I run SMF and Utterances with Docker?

SMF: yes. Utterances: check the project docs for container support.

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