# grimmory vs jam

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | grimmory | jam |
|---|---|---|
| Score | 69/100 ✓ | 46/100 |
| Rank in category | #2 of 12 in Book Management | #8 of 12 in Privacy |
| GitHub stars | 4 626 ✓ | 333 |
| Stars, last 30 days | +201 ✓ | +0 |
| Stable releases, 12 months | 19 ✓ | 0 |
| Latest release | v3.5.0 · 21 Sept 2026 | — |
| Setup | Moderate ✓ | Advanced |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0 | MIT |
| Main language | Java | Typescript |

## Which one should you pick?

grimmory scores 69/100 against 46/100 for jam, so it is the safer default.

grimmory ships more often: 19 stable releases in the past year, against 0 for jam.

If you want the quickest setup, grimmory is easier to run; jam needs more configuration.

grimmory is growing faster right now (+201 stars in 30 days).

## Details

- [grimmory](https://selfhost.directory/project/grimmory) (markdown: https://selfhost.directory/project/grimmory.md)
- [jam](https://selfhost.directory/project/jam) (markdown: https://selfhost.directory/project/jam.md)

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Source: https://selfhost.directory/compare/grimmory-vs-jam