OpenSearchvsSemaphore UI
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| OpenSearch | Semaphore UI | |
|---|---|---|
| Score | 76/100 | 73/100 |
| Rank in category | #7 of 41 in Search Engines | #12 of 166 in Developer Tools |
| GitHub stars | 13 927 | 14 337 |
| Stars, last 30 days | +152 | +149 |
| Stable releases, 12 months | 11 | 20 |
| Latest release | 2.19.7 · 17 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?
OpenSearch scores 76/100 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 11 for OpenSearch.
If you want the quickest setup, Semaphore UI is easier to run; OpenSearch needs more configuration.
OpenSearch details →Semaphore UI details →
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