Let's SealvsUltimate Certificate Manager
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Let's Seal | Ultimate Certificate Manager | |
|---|---|---|
| Score | 45/100 | 50/100 |
| Rank in category | #27 of 40 in Authentication | #4 of 8 in Certificate Management |
| GitHub stars | 377 | 170 |
| Stars, last 30 days | +0 | +0 |
| Stable releases, 12 months | 1 | 5 |
| Latest release | v0.1.0 · 23 Jul 2026 | v2.247 · 30 Oct 2026 |
| Setup | Advanced | Moderate |
| Official Docker image | No | Yes |
| License | Apache-2.0 | AGPL-3.0 |
| Main language | JavaScript | Python |
Which one should you pick?
Ultimate Certificate Manager scores 50/100 against 45/100 for Let's Seal, so it is the safer default.
Ultimate Certificate Manager ships more often: 5 stable releases in the past year, against 1 for Let's Seal.
If you want the quickest setup, Ultimate Certificate Manager is easier to run; Let's Seal needs more configuration.
Let's Seal details →Ultimate Certificate Manager details →
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