# grimmory vs NATS

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

| | grimmory | NATS |
|---|---|---|
| Score | 69/100 | 80/100 ✓ |
| Rank in category | #2 of 12 in Book Management | #2 of 12 in Message Broker |
| GitHub stars | 4 626 | 20 956 ✓ |
| Stars, last 30 days | +201 ✓ | +191 |
| Stable releases, 12 months | 19 ✓ | 18 |
| Latest release | v3.5.0 · 21 Sept 2026 | v2.14.9 · 26 Oct 2026 ✓ |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0 | Apache-2.0 |
| Main language | Java | Go |

## Which one should you pick?

NATS scores 80/100 against 69/100 for grimmory, so it is the safer default.

grimmory ships more often: 19 stable releases in the past year, against 18 for NATS.

## Details

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

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