FlagsmithvsSemaphore UI
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Flagsmith | Semaphore UI | |
|---|---|---|
| Score | 73/100 | 73/100 |
| Rank in category | #2 of 8 in Feature Flags | #12 of 166 in Developer Tools |
| GitHub stars | 6 629 | 14 334 |
| Stars, last 30 days | +61 | +151 |
| Stable releases, 12 months | 65 | 20 |
| Latest release | v2.287.0 · 20 Oct 2026 | v2.18.31 · 7 Oct 2026 |
| Setup | Moderate | Easy |
| Official Docker image | Yes | Yes |
| License | BSD-3-Clause | MIT |
| Main language | Python | Go |
Which one should you pick?
Flagsmith and Semaphore UI score the same (73/100), so the choice comes down to the details below.
Flagsmith ships more often: 65 stable releases in the past year, against 20 for Semaphore UI.
If you want the quickest setup, Semaphore UI is easier to run; Flagsmith needs more configuration.
Semaphore UI is growing faster right now (+151 stars in 30 days).
Flagsmith details →Semaphore UI details →
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