# Concat vs prometheus

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

| | Concat | prometheus |
|---|---|---|
| Score | 82/100 | 90/100 ✓ |
| Rank in category | #1 of 18 in Video Processing | #1 of 104 in Monitoring & observability |
| GitHub stars | 12 510 | 66 858 ✓ |
| Stars, last 30 days | +2 511 ✓ | +646 |
| Stable releases, 12 months | 6 | 16 ✓ |
| Latest release | v0.2.8 · 20 Oct 2026 | v3.15.1 · 21 Oct 2026 ✓ |
| Setup | Easy ✓ | Moderate |
| Official Docker image | No | Yes ✓ |
| License | AGPL-3.0 | Apache-2.0 |
| Main language | Rust | Go |

## Which one should you pick?

prometheus scores 90/100 against 82/100 for Concat, so it is the safer default.

prometheus ships more often: 16 stable releases in the past year, against 6 for Concat.

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

Concat is growing faster right now (+2 511 stars in 30 days).

## Details

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

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