Semaphore UIvsShields
Two self-hosted Developer Tools projects, 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.
Semaphore UI details →Shields details →All Developer Tools projects →