head to head · open source
Discourse vs nimforum
Discourse has 48,046 GitHub stars, 9,058 forks, 221 open issues and last shipped yesterday. nimforum has 786 stars, 71 forks, 129 open issues and last shipped 4 months ago. Discourse leads on adoption by 6,013% (48,046 vs 786 stars). Discourse is written in Ruby under GPL-2.0; nimforum is written in Nim under MIT. Discourse has attracted 19% as many forks as stars, nimforum 9%. Discourse was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (forum), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Discourse | nimforum | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 786 |
| License | GPL-2.0 | MIT |
| Written in | Ruby | Nim |
| Last push | 2026-11-02 | 2026-07-03 |
| Forks | ⑂ 9.1K | ⑂ 71 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Discourse if
- You weight community size — 48K stars and counting
- You want the GPL-2.0 license terms
- Your stack matches Ruby
- You value the larger contributor base for long-term maintenance
pick nimforum if
- You want the nimforum feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Nim
- You evaluated both and nimforum fits your workflow better
About Discourse
The online home for your community. You can self host Discourse on your own infrastructure. But if you'd rather skip the setup, maintenance, and server management, we offer official Discourse hosting. 👉 Learn more about Discourse hosting Discourse is a 100% open source community platform for those who want complete control over how and where their site is run. Our platform has been battle tested for over a decade and continues to evolve to meet users’ needs for a powerful community platform. With Discourse, you can: 💬 Create discussion topics to foster meaningful conversations. ⚡️ Connect in real time with…
read the full Discourse overview →
About nimforum
nimforum NimForum is a light weight forum implementation with many similarities to Discourse. It is implemented in the Nim programming language and uses SQLite for its database. Examples in the wild forum.nim lang.org Features Efficient, type safe and clean single page application developed using the Karax and Jester frameworks. Utilizes SQLite making set up much easier. Endlessly customizable using SASS. Spam blocking via new user sandboxing with great tools for moderators. reStructuredText enriched by Markdown to make formatting your posts a breeze. Search powered by SQLite's full text search. Context aware…
read the full nimforum overview →
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Frequently asked questions
Is Discourse or nimforum more popular?
Discourse has 48,046 GitHub stars and nimforum has 786. Discourse has the larger community by that measure.
Are Discourse and nimforum free?
Both are open source. Discourse is licensed under GPL-2.0 and nimforum under MIT. Neither carries a licence fee.
What is the difference between Discourse and nimforum?
Discourse is written in Ruby and nimforum in Nim. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Discourse or nimforum?
Choose Discourse if you want the larger community (48,046 stars) or its GPL-2.0 licence terms. Choose nimforum if its feature set, stack or MIT licence fits better. Both are self-hostable.