# rudder vs Semaphore UI

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

| | rudder | Semaphore UI |
|---|---|---|
| Score | 55/100 | 73/100 ✓ |
| Rank in category | #4 of 8 in Configuration Management | #12 of 166 in Developer Tools |
| GitHub stars | 719 | 14 334 ✓ |
| Stars, last 30 days | — | +151 |
| Stable releases, 12 months | 11 | 20 ✓ |
| Latest release | 9.1.4 · 7 Aug 2026 | v2.18.31 · 7 Oct 2026 ✓ |
| Setup | Advanced | Easy ✓ |
| Official Docker image | No | Yes ✓ |
| License | GPL-3.0 | MIT |
| Main language | Scala | Go |

## Which one should you pick?

Semaphore UI scores 73/100 against 55/100 for rudder, so it is the safer default.

Semaphore UI ships more often: 20 stable releases in the past year, against 11 for rudder.

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

Semaphore UI is growing faster right now (+151 stars in 30 days).

## Details

- [rudder](https://selfhost.directory/project/rudder) (markdown: https://selfhost.directory/project/rudder.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/rudder-vs-semaphore-ui