Discourse vs Mbin
A side-by-side comparison of two self-hosted social networks options — licensing, setup difficulty, resource needs, and what each one replaces.
Discourse
Modern open-source community discussion platform
VS
Mbin
Community-driven fork of the kbin aggregator
| Feature | Discourse | Mbin |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 100 · Excellent | 78 · Good |
| Category | Social Networks | Social Networks |
| License | GPL-2.0 | AGPL-3.0 |
| Language | Ruby | PHP |
| Setup difficulty | Medium | Hard |
| Min. RAM | 2,048 MB | 1,024 MB |
| Deployment | docker, source | docker, bare-metal, source |
| GitHub stars | ★ 47,889 | ★ 429 |
| First released | 2013 | 2023 |
| Replaces | phpBB, Reddit |
What are Discourse and Mbin?
Discourse
Discourse is a free, open-source platform for community discussion, forums, and mailing lists. It offers real-time updates, trust levels, and an extensive plugin ecosystem.
- Real-time forum updates
- Trust-level moderation
- Rich plugin ecosystem
- Email-in posting
Mbin
Mbin is a free, open-source, federated content aggregator and microblogging platform, forked from kbin and maintained by the community. It supports threads, microblogs, and ActivityPub federation.
- Threads and microblogging
- ActivityPub federation
- Magazine communities
- Community-driven governance
Discourse vs Mbin: key differences
Discourse is written in Ruby, while Mbin is built with PHP. Licensing differs — GPL-2.0 for Discourse versus AGPL-3.0 for Mbin. Mbin is the lighter option, starting around 1,024 MB of RAM against 2,048 MB for Discourse. Discourse is the more established project (first released 2013), while Mbin arrived in 2023. Discourse has the considerably larger community, at 47,889 GitHub stars versus 429.
Why pick each one
Choose Discourse if…
- Polished modern UI
- Strong moderation tools
Watch out for
- Resource-hungry
- Opinionated Docker setup
Choose Mbin if…
- Active community fork
- Regular releases
Watch out for
- Heavier deployment
- Smaller ecosystem
Frequently asked questions
Is Discourse or Mbin better?
Discourse is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Mbin if its specific feature set fits your needs better.
Are Discourse and Mbin free and open-source?
Yes. Discourse is licensed under GPL-2.0 and Mbin under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Discourse and Mbin with Docker?
Discourse: yes. Mbin: yes.
Which is lighter on resources, Discourse or Mbin?
Mbin has the smaller minimum footprint at 1,024 MB of RAM, compared to about 2,048 MB for Discourse. Real-world usage depends on library size, user count, and enabled features.