SHSelfHostIndex

Discourse vs OSSN

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?
DI Discourse Modern open-source community discussion platform VS OS OSSN Social networking software that allows you to make a social networking
FeatureDiscourseOSSN
CategorySocial NetworksSocial Networks
LicenseGPL-2.0CAL-1.0
LanguageRubyPHP
Setup difficultyMediumMedium
Min. RAM2,048 MB512 MB
Deploymentdocker, sourcebare-metal
GitHub stars★ 47,619★ 1,236
First released20132026
ReplacesphpBB, Reddit—

Why pick each one

Choose Discourse if…

  • Polished modern UI
  • Strong moderation tools
Discourse details

Choose OSSN if…

  • Released under the CAL-1.0 license
  • Active community (1.2k GitHub stars)
  • Written in PHP
  • Lightweight — runs in 512 MB RAM
OSSN details

Frequently asked questions

Is Discourse or OSSN 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 OSSN free and open-source?

Yes. Discourse is licensed under GPL-2.0 and OSSN under CAL-1.0. Both can be self-hosted at no software cost.

Can I run Discourse and OSSN with Docker?

Discourse: yes. OSSN: check the project docs for container support.

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