KestravsSemaphore UI
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Kestra | Semaphore UI | |
|---|---|---|
| Score | 82/100 | 73/100 |
| Rank in category | #3 of 32 in Workflow Automation | #12 of 166 in Developer Tools |
| GitHub stars | 30 053 | 14 337 |
| Stars, last 30 days | +1 718 | +149 |
| Stable releases, 12 months | 59 | 20 |
| Latest release | v1.3.45 · 27 Oct 2026 | v2.18.31 · 7 Oct 2026 |
| Setup | Moderate | Easy |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | MIT |
| Main language | Java | Go |
Which one should you pick?
Kestra scores 82/100 against 73/100 for Semaphore UI, so it is the safer default.
Kestra ships more often: 59 stable releases in the past year, against 20 for Semaphore UI.
If you want the quickest setup, Semaphore UI is easier to run; Kestra needs more configuration.
Kestra is growing faster right now (+1 718 stars in 30 days).
Kestra details →Semaphore UI details →