# Harbor vs Semaphore UI

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

| | Harbor | Semaphore UI |
|---|---|---|
| Score | 80/100 ✓ | 73/100 |
| Rank in category | #1 of 12 in Container Registry | #12 of 166 in Developer Tools |
| GitHub stars | 29 637 ✓ | 14 336 |
| Stars, last 30 days | +193 ✓ | +153 |
| Stable releases, 12 months | 10 | 20 ✓ |
| Latest release | v2.14.6 · 23 Oct 2026 ✓ | v2.18.31 · 7 Oct 2026 |
| Setup | Moderate | Easy ✓ |
| Official Docker image | No | Yes ✓ |
| License | Apache-2.0 | MIT |
| Main language | Go | Go |

## Which one should you pick?

Harbor scores 80/100 against 73/100 for Semaphore UI, so it is the safer default.

Semaphore UI ships more often: 20 stable releases in the past year, against 10 for Harbor.

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

## Details

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

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