Calibre Web AutomatedvsUltimate Certificate Manager
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Calibre Web Automated | Ultimate Certificate Manager | |
|---|---|---|
| Score | 73/100 | 50/100 |
| Rank in category | #2 of 19 in Ebook Management | #4 of 8 in Certificate Management |
| GitHub stars | 6 506 | 170 |
| Stars, last 30 days | +170 | +0 |
| Stable releases, 12 months | 9 | 4 |
| Latest release | v4.0.8 · 28 Sept 2026 | v2.246 · 27 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | GPL-3.0 | AGPL-3.0 |
| Main language | JavaScript | Python |
Which one should you pick?
Calibre Web Automated scores 73/100 against 50/100 for Ultimate Certificate Manager, so it is the safer default.
Calibre Web Automated ships more often: 9 stable releases in the past year, against 4 for Ultimate Certificate Manager.
Calibre Web Automated is growing faster right now (+170 stars in 30 days).
Calibre Web Automated details →Ultimate Certificate Manager details →
Swap a project
Keep Calibre Web Automated, compare it with
Keep Ultimate Certificate Manager, compare it with