# abs-kosync-bridge vs prom-alertmanager

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

| | abs-kosync-bridge | prom-alertmanager |
|---|---|---|
| Score | 57/100 | 73/100 ✓ |
| Rank in category | #5 of 15 in Audiobook Management | #14 of 104 in Monitoring & observability |
| GitHub stars | 551 | 8 676 ✓ |
| Stars, last 30 days | +1 | +49 ✓ |
| Stable releases, 12 months | 21 ✓ | 12 |
| Latest release | v7.11.0 · 26 Oct 2026 | v0.34.2 · 29 Oct 2026 ✓ |
| Setup | Moderate | Moderate ✓ |
| Official Docker image | Yes | Yes |
| License | MIT | Apache-2.0 |
| Main language | Python | Go |

## Which one should you pick?

prom-alertmanager scores 73/100 against 57/100 for abs-kosync-bridge, so it is the safer default.

abs-kosync-bridge ships more often: 21 stable releases in the past year, against 12 for prom-alertmanager.

prom-alertmanager is growing faster right now (+49 stars in 30 days).

## Details

- [abs-kosync-bridge](https://selfhost.directory/project/abs-kosync-bridge) (markdown: https://selfhost.directory/project/abs-kosync-bridge.md)
- [prom-alertmanager](https://selfhost.directory/project/prom-alertmanager) (markdown: https://selfhost.directory/project/prom-alertmanager.md)

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Source: https://selfhost.directory/compare/abs-kosync-bridge-vs-prom-alertmanager