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grimmoryvsSemaphore UI

Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

grimmorySemaphore UI
Score69/10073/100
Rank in category#2 of 12 in Book Management#12 of 166 in Developer Tools
GitHub stars4 62614 337
Stars, last 30 days+201+149
Stable releases, 12 months1920
Latest releasev3.5.0 · 21 Sept 2026v2.18.31 · 7 Oct 2026
SetupModerateEasy
Official Docker imageYesYes
LicenseAGPL-3.0MIT
Main languageJavaGo

Which one should you pick?

Semaphore UI scores 73/100 against 69/100 for grimmory, so it is the safer default.

Semaphore UI ships more often: 20 stable releases in the past year, against 19 for grimmory.

If you want the quickest setup, Semaphore UI is easier to run; grimmory needs more configuration.

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