# cozystack vs Semaphore UI

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

| | cozystack | Semaphore UI |
|---|---|---|
| Score | 67/100 | 73/100 ✓ |
| Rank in category | #6 of 14 in Platform as a Service | #12 of 166 in Developer Tools |
| GitHub stars | 2 376 | 14 334 ✓ |
| Stars, last 30 days | +141 | +151 ✓ |
| Stable releases, 12 months | 12 | 20 ✓ |
| Latest release | v1.6.4 · 16 Oct 2026 ✓ | v2.18.31 · 7 Oct 2026 |
| Setup | Advanced | Easy ✓ |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | MIT |
| Main language | Go | Go |

## Which one should you pick?

Semaphore UI scores 73/100 against 67/100 for cozystack, so it is the safer default.

Semaphore UI ships more often: 20 stable releases in the past year, against 12 for cozystack.

If you want the quickest setup, Semaphore UI is easier to run; cozystack needs more configuration.

## Details

- [cozystack](https://selfhost.directory/project/cozystack) (markdown: https://selfhost.directory/project/cozystack.md)
- [Semaphore UI](https://selfhost.directory/project/semaphore-ui) (markdown: https://selfhost.directory/project/semaphore-ui.md)

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Source: https://selfhost.directory/compare/cozystack-vs-semaphore-ui