head to head · open source
symphony vs nimforum
symphony has 2,943 GitHub stars, 507 forks, 2 open issues and last shipped 11 days ago. nimforum has 785 stars, 70 forks, 129 open issues and last shipped 3 months ago. symphony leads on adoption by 275% (2,943 vs 785 stars). symphony is written in Java under AGPL-3.0; nimforum is written in Nim under MIT. symphony has attracted 17% as many forks as stars, nimforum 9%. symphony 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.
← all 20902 open source comparisons
Side by side
| symphony | nimforum | |
|---|---|---|
| GitHub stars | ★ 2.9K | ★ 785 |
| License | AGPL-3.0 | MIT |
| Written in | Java | Nim |
| Last push | 2026-09-09 | 2026-07-03 |
| Forks | ⑂ 507 | ⑂ 70 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick symphony if
- You weight community size — 2.9K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Java
- 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 symphony
Symphony is a community platform implemented in Java under the AGPL 3.0 license. It combines a discussion forum, a Q&A site, a social network with sharing, friends, and games, and blog like publishing in one system. The project lives in the Java ecosystem and is published through the B3log website and official discussion area.
read the full symphony overview →
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 →
More in Content & Publishing
Related comparisons
More Community Platforms projects
Compare either of these against the rest of the Community Platforms field.
Frequently asked questions
Is symphony or nimforum more popular?
symphony has 2,943 GitHub stars and nimforum has 785. symphony has the larger community by that measure.
Are symphony and nimforum free?
Both are open source. symphony is licensed under AGPL-3.0 and nimforum under MIT. Neither carries a licence fee.
What is the difference between symphony and nimforum?
symphony is written in Java 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, symphony or nimforum?
Choose symphony if you want the larger community (2,943 stars) or its AGPL-3.0 licence terms. Choose nimforum if its feature set, stack or MIT licence fits better. Both are self-hostable.