openGymvsUltimate Certificate Manager
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| openGym | Ultimate Certificate Manager | |
|---|---|---|
| Score | 81/100 | 50/100 |
| Rank in category | #1 of 11 in Fitness Tracker | #4 of 8 in Certificate Management |
| GitHub stars | 17 235 | 170 |
| Stars, last 30 days | +3 066 | +0 |
| Stable releases, 12 months | 12 | 4 |
| Latest release | v1.4.3 · 26 Oct 2026 | v2.246 · 27 Oct 2026 |
| Setup | Easy | Moderate |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0 | AGPL-3.0 |
| Main language | JavaScript | Python |
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).
openGym details →Ultimate Certificate Manager details →
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