# Concat vs Valkey

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

| | Concat | Valkey |
|---|---|---|
| Score | 82/100 ✓ | 81/100 |
| Rank in category | #1 of 18 in Video Processing | #3 of 38 in Databases |
| GitHub stars | 12 478 | 27 553 ✓ |
| Stars, last 30 days | +2 479 ✓ | +266 |
| Stable releases, 12 months | 6 | 22 ✓ |
| Latest release | v0.2.8 · 20 Oct 2026 | 9.0.7 · 27 Oct 2026 ✓ |
| Setup | Easy ✓ | Easy |
| Official Docker image | No | Yes ✓ |
| License | AGPL-3.0 | BSD-3-Clause |
| Main language | Rust | C |

## Which one should you pick?

Concat scores 82/100 against 81/100 for Valkey, so it is the safer default.

Valkey ships more often: 22 stable releases in the past year, against 6 for Concat.

Concat is growing faster right now (+2 479 stars in 30 days).

## Details

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

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