Discourse vs lemmyBB

A side-by-side comparison of two self-hosted social networks options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureDiscourselemmyBB
CategorySocial NetworksSocial Networks
LicenseGPL-2.0AGPL-3.0
LanguageRubyJavaScript
Setup difficultyMediumMedium
Min. RAM2,048 MB128 MB
Deploymentdocker, sourcedocker, binary, source
GitHub stars★ 47,619★ 199
First released20132023
ReplacesphpBB, RedditReddit, phpBB

Why pick each one

Choose Discourse if…

  • Polished modern UI
  • Strong moderation tools
Discourse details

Choose lemmyBB if…

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in JavaScript
  • Tiny footprint — runs in 128 MB RAM
lemmyBB details

Frequently asked questions

Is Discourse or lemmyBB better?

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

Are Discourse and lemmyBB free and open-source?

Yes. Discourse is licensed under GPL-2.0 and lemmyBB under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Discourse and lemmyBB with Docker?

Discourse: yes. lemmyBB: yes.

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