RetromvsSemaphore UI
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Retrom | Semaphore UI | |
|---|---|---|
| Score | 58/100 | 73/100 |
| Rank in category | #3 of 5 in Emulation | #12 of 166 in Developer Tools |
| GitHub stars | 2 100 | 14 336 |
| Stars, last 30 days | +28 | +148 |
| Stable releases, 12 months | 10 | 20 |
| Latest release | v0.8.4 · 14 Jun 2026 | v2.18.31 · 7 Oct 2026 |
| Setup | Moderate | Easy |
| Official Docker image | Yes | Yes |
| License | GPL-3.0 | MIT |
| Main language | Typescript | Go |
Which one should you pick?
Semaphore UI scores 73/100 against 58/100 for Retrom, so it is the safer default.
Semaphore UI ships more often: 20 stable releases in the past year, against 10 for Retrom.
If you want the quickest setup, Semaphore UI is easier to run; Retrom needs more configuration.
Semaphore UI is growing faster right now (+148 stars in 30 days).
Retrom details →Semaphore UI details →
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