head to head · open source
nimforum vs Valour
nimforum has 785 GitHub stars, 70 forks, 129 open issues and last shipped 3 months ago. Valour has 398 stars, 39 forks, 88 open issues and last shipped 11 days ago. nimforum leads on adoption by 97% (785 vs 398 stars). nimforum is written in Nim under MIT; Valour is written in C# under AGPL-3.0. nimforum has attracted 9% as many forks as stars, Valour 10%. Valour was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| nimforum | Valour | |
|---|---|---|
| GitHub stars | ★ 785 | ★ 398 |
| License | MIT | AGPL-3.0 |
| Written in | Nim | C# |
| Last push | 2026-07-03 | 2026-09-09 |
| Forks | ⑂ 70 | ⑂ 39 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nimforum if
- You weight community size — 785 stars and counting
- You want the MIT license terms
- Your stack matches Nim
- You value the larger contributor base for long-term maintenance
pick Valour if
- You want the Valour feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches C#
- You evaluated both and Valour fits your workflow better
About nimforum
NimForum is a lightweight forum implementation written in the Nim programming language and positioned as an alternative to Discourse. It provides a single page application built with the Karax and Jester frameworks, while using SQLite as its database, and it is used by the Nim community at forum.nim lang.org.
read the full nimforum overview →
About Valour
Valour is an open source community platform written in C and .NET with a Blazor client, licensed AGPL 3.0, intended for people who want to run or join social communities — called planets — on infrastructure they control rather than on a vendor's servers.
read the full Valour overview →
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Frequently asked questions
Is nimforum or Valour more popular?
nimforum has 785 GitHub stars and Valour has 398. nimforum has the larger community by that measure.
Are nimforum and Valour free?
Both are open source. nimforum is licensed under MIT and Valour under AGPL-3.0. Neither carries a licence fee.
What is the difference between nimforum and Valour?
nimforum is written in Nim and Valour in C#. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, nimforum or Valour?
Choose nimforum if you want the larger community (785 stars) or its MIT licence terms. Choose Valour if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.