# Ultimate Certificate Manager vs Zabbix

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

| | Ultimate Certificate Manager | Zabbix |
|---|---|---|
| Score | 50/100 | 75/100 ✓ |
| Rank in category | #4 of 8 in Certificate Management | #13 of 104 in Monitoring & observability |
| GitHub stars | 170 | 6 522 ✓ |
| Stars, last 30 days | +0 | +110 ✓ |
| Stable releases, 12 months | 4 ✓ | 0 |
| Latest release | v2.246 · 27 Oct 2026 | — |
| Setup | Moderate ✓ | Advanced |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0 | AGPL-3.0 |
| Main language | Python | Go Template |

## Which one should you pick?

Zabbix scores 75/100 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 Zabbix.

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

Zabbix is growing faster right now (+110 stars in 30 days).

## Details

- [Ultimate Certificate Manager](https://selfhost.directory/project/ultimate-ca-manager) (markdown: https://selfhost.directory/project/ultimate-ca-manager.md)
- [Zabbix](https://selfhost.directory/project/zabbix) (markdown: https://selfhost.directory/project/zabbix.md)

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Source: https://selfhost.directory/compare/ultimate-ca-manager-vs-zabbix