# Semaphore UI vs Upptime

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

| | Semaphore UI | Upptime |
|---|---|---|
| Score | 73/100 ✓ | 69/100 |
| Rank in category | #12 of 166 in Developer Tools | #3 of 12 in Uptime Monitoring |
| GitHub stars | 14 336 | 17 184 ✓ |
| Stars, last 30 days | +153 ✓ | +0 |
| Stable releases, 12 months | 20 ✓ | 0 |
| Latest release | v2.18.31 · 7 Oct 2026 | — |
| Setup | Easy | Easy ✓ |
| Official Docker image | Yes ✓ | No |
| License | MIT | MIT |
| Main language | Go | Markdown |

## Which one should you pick?

Semaphore UI scores 73/100 against 69/100 for Upptime, so it is the safer default.

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

Semaphore UI is growing faster right now (+153 stars in 30 days).

## Details

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

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