# Concat vs Workout.cool

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

| | Concat | Workout.cool |
|---|---|---|
| Score | 82/100 ✓ | 66/100 |
| Rank in category | #1 of 18 in Video Processing | #2 of 11 in Fitness Tracker |
| GitHub stars | 12 602 ✓ | 8 654 |
| Stars, last 30 days | +2 603 ✓ | +155 |
| Stable releases, 12 months | 6 ✓ | 1 |
| Latest release | v0.2.8 · 20 Oct 2026 ✓ | v1.3.2 · 7 Dec 2025 |
| Setup | Easy ✓ | Easy |
| Official Docker image | No | No |
| License | AGPL-3.0 | MIT |
| Main language | Rust | Typescript |

## Which one should you pick?

Concat scores 82/100 against 66/100 for Workout.cool, so it is the safer default.

Concat ships more often: 6 stable releases in the past year, against 1 for Workout.cool.

Concat is growing faster right now (+2 603 stars in 30 days).

## Details

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

---
Source: https://selfhost.directory/compare/concat-vs-workout-cool