# Buildarr vs Semaphore UI

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

| | Buildarr | Semaphore UI |
|---|---|---|
| Score | 48/100 | 73/100 ✓ |
| Rank in category | #7 of 8 in Configuration Management | #12 of 166 in Developer Tools |
| GitHub stars | 378 | 14 334 ✓ |
| Stars, last 30 days | — | +151 |
| Stable releases, 12 months | 0 | 20 ✓ |
| Latest release | — | v2.18.31 · 7 Oct 2026 |
| Setup | Moderate | Easy ✓ |
| Official Docker image | Yes | Yes |
| License | GPL-3.0 | MIT |
| Main language | Python | Go |

## Which one should you pick?

Semaphore UI scores 73/100 against 48/100 for Buildarr, so it is the safer default.

Semaphore UI ships more often: 20 stable releases in the past year, against 0 for Buildarr.

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

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

## Details

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