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cobaltvsUltimate Certificate Manager

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

cobaltUltimate Certificate Manager
Score83/10050/100
Rank in category#1 of 45 in Download Management#4 of 8 in Certificate Management
GitHub stars45 591171
Stars, last 30 days+1 807—
Stable releases, 12 months04
Latest release—v2.246 · 27 Oct 2026
SetupEasyModerate
Official Docker imageYesYes
LicenseAGPL-3.0AGPL-3.0
Main languageSveltePython

Which one should you pick?

cobalt scores 83/100 against 50/100 for Ultimate Certificate Manager, so it is the safer default.

Ultimate Certificate Manager ships more often: 4 stable releases in the past year, against 0 for cobalt.

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

cobalt is growing faster right now (+1 807 stars in 30 days).

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