# prom-alertmanager vs Stirling-PDF

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

| | prom-alertmanager | Stirling-PDF |
|---|---|---|
| Score | 73/100 | 87/100 ✓ |
| Rank in category | #14 of 104 in Monitoring & observability | #1 of 46 in Document Management |
| GitHub stars | 8 676 | 95 260 ✓ |
| Stars, last 30 days | +49 | +2 347 ✓ |
| Stable releases, 12 months | 11 | 25 ✓ |
| Latest release | v0.34.1 · 17 Sept 2026 | v3.2.2 · 24 Oct 2026 ✓ |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | Other |
| Main language | Go | Typescript |

## Which one should you pick?

Stirling-PDF scores 87/100 against 73/100 for prom-alertmanager, so it is the safer default.

Stirling-PDF ships more often: 25 stable releases in the past year, against 11 for prom-alertmanager.

Stirling-PDF is growing faster right now (+2 347 stars in 30 days).

## Details

- [prom-alertmanager](https://selfhost.directory/project/prom-alertmanager) (markdown: https://selfhost.directory/project/prom-alertmanager.md)
- [Stirling-PDF](https://selfhost.directory/project/stirling-pdf) (markdown: https://selfhost.directory/project/stirling-pdf.md)

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Source: https://selfhost.directory/compare/prom-alertmanager-vs-stirling-pdf