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openGymvsUltimate Certificate Manager

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

openGymUltimate Certificate Manager
Score81/10050/100
Rank in category#1 of 11 in Fitness Tracker#4 of 8 in Certificate Management
GitHub stars17 235170
Stars, last 30 days+3 066+0
Stable releases, 12 months124
Latest releasev1.4.3 · 26 Oct 2026v2.246 · 27 Oct 2026
SetupEasyModerate
Official Docker imageYesYes
LicenseAGPL-3.0AGPL-3.0
Main languageJavaScriptPython

Which one should you pick?

openGym scores 81/100 against 50/100 for Ultimate Certificate Manager, so it is the safer default.

openGym ships more often: 12 stable releases in the past year, against 4 for Ultimate Certificate Manager.

If you want the quickest setup, openGym is easier to run; Ultimate Certificate Manager needs more configuration.

openGym is growing faster right now (+3 066 stars in 30 days).

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