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Flarum vs Discourse Hosting (Discourse.org)

Self-host swap-in for Discourse Hosting (Discourse.org). · Self-host Discourse Hosting (Discourse.org) · Flarum on os-alt

Flarum is one of the open-source self-host replacements for Discourse Hosting (Discourse.org) — license MIT, 20min docker-compose (PHP + MySQL/MariaDB) to stand up, and $5/mo vps; php-fpm stack is light. Compare against Discourse Hosting (Discourse.org)'s Standard $50/mo (managed Discourse Cloud); Business $100/mo; Enterprise from $300/mo below.

Flarumopen-sourceDiscourse Hosting (Discourse.org)paid SaaS
CategoryCommunity / forum hostingCommunity / forum hosting
License / pricingMITStandard $50/mo (managed Discourse Cloud); Business $100/mo; Enterprise from $300/mo
Starting price$0 self-host$50/user/mo
GitHubflarum/framework ★ 6.71k · last commit todayaliveclosed source
Setup time20min docker-compose (PHP + MySQL/MariaDB)SaaS — sign up + bill
Monthly cost$5/mo VPS; PHP-FPM stack is light.from $50/user/mo (Standard $50/mo (managed Discourse Cloud); Business $100/mo; Enterprise from $300/mo)

Switching from Discourse Hosting (Discourse.org) to Flarum

Use the community `mondediefr/docker-flarum` image with a MariaDB backend. Discourse migration: export Discourse data via the admin export → there's a community Discourse-to-Flarum importer (`flarum-discourse-import`) that maps users, categories, topics, and posts. Reset user passwords (Discourse password hashes don't transfer).

Good fit for
Smaller communities that find Discourse heavy and want a modern, fast, lightly-themed forum.
Weak at
Smaller plugin ecosystem than Discourse; less out-of-the-box gamification.

Other open-source self-host alternatives to Discourse Hosting (Discourse.org)

  • GPL-2.030min — `discourse_docker` standalone install on a fresh Ubuntu$10-20/mo VPS + Mailgun/Postmark/Resend SMTP relay (~$10/mo for 50k emails).
  • GPL-3.020min docker run (Node + Redis or Postgres or MongoDB)$5-10/mo VPS.

Flarum also replaces

  • Reddit— Threaded community / forum

In a terminal? npx os-alt discourse-cloud prints Discourse Hosting (Discourse.org)'s self-host options — how the CLI works →

FAQ

Is Flarum a free alternative to Discourse Hosting (Discourse.org)?

Yes — Flarum is open source under MIT. Self-host cost: $5/mo VPS; PHP-FPM stack is light.. Discourse Hosting (Discourse.org) starts at $50/user/mo (Standard $50/mo (managed Discourse Cloud); Business $100/mo; Enterprise from $300/mo).

How long does Flarum take to set up vs Discourse Hosting (Discourse.org)?

Self-hosting Flarum: 20min docker-compose (PHP + MySQL/MariaDB). Discourse Hosting (Discourse.org) is a hosted SaaS — sign up and you're in.

What is Flarum good at, and what is it weak at?

Good fit for: Smaller communities that find Discourse heavy and want a modern, fast, lightly-themed forum.. Weak at: Smaller plugin ecosystem than Discourse; less out-of-the-box gamification..