HarborvsUltimate Certificate Manager
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Harbor | Ultimate Certificate Manager | |
|---|---|---|
| Score | 80/100 | 50/100 |
| Rank in category | #1 of 12 in Container Registry | #4 of 8 in Certificate Management |
| GitHub stars | 29 637 | 170 |
| Stars, last 30 days | +183 | +0 |
| Stable releases, 12 months | 10 | 4 |
| Latest release | v2.14.6 · 23 Oct 2026 | v2.246 · 27 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | No | Yes |
| License | Apache-2.0 | AGPL-3.0 |
| Main language | Go | Python |
Which one should you pick?
Harbor scores 80/100 against 50/100 for Ultimate Certificate Manager, so it is the safer default.
Harbor ships more often: 10 stable releases in the past year, against 4 for Ultimate Certificate Manager.
Harbor is growing faster right now (+183 stars in 30 days).
Harbor details →Ultimate Certificate Manager details →
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