# Concat vs grimmory

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

| | Concat | grimmory |
|---|---|---|
| Score | 82/100 ✓ | 69/100 |
| Rank in category | #1 of 18 in Video Processing | #2 of 12 in Book Management |
| GitHub stars | 12 421 ✓ | 4 624 |
| Stars, last 30 days | +2 422 ✓ | +205 |
| Stable releases, 12 months | 6 | 19 ✓ |
| Latest release | v0.2.8 · 20 Oct 2026 ✓ | v3.5.0 · 21 Sept 2026 |
| Setup | Easy ✓ | Moderate |
| Official Docker image | No | Yes ✓ |
| License | AGPL-3.0 | AGPL-3.0 |
| Main language | Rust | Java |

## Which one should you pick?

Concat scores 82/100 against 69/100 for grimmory, so it is the safer default.

grimmory ships more often: 19 stable releases in the past year, against 6 for Concat.

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

Concat is growing faster right now (+2 422 stars in 30 days).

## Details

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

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