# Semaphore UI vs Shields

> Two self-hosted [Developer Tools projects](https://selfhost.directory/developer-tools), compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Semaphore UI | Shields |
|---|---|---|
| Score | 73/100 | 80/100 ✓ |
| Rank in category | #12 of 166 in Developer Tools | #6 of 166 in Developer Tools |
| GitHub stars | 14 337 | 27 333 ✓ |
| Stars, last 30 days | +149 ✓ | +127 |
| Stable releases, 12 months | 20 ✓ | 0 |
| Latest release | v2.18.31 · 7 Oct 2026 | — |
| Setup | Easy | Easy ✓ |
| Official Docker image | Yes | Yes |
| License | MIT | Apache-2.0 |
| Main language | Go | JavaScript |

## Which one should you pick?

Shields 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 0 for Shields.

## Details

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

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