# actions-runner-controller vs prom-alertmanager

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

| | actions-runner-controller | prom-alertmanager |
|---|---|---|
| Score | 71/100 | 73/100 ✓ |
| Rank in category | #7 of 28 in CI/CD | #14 of 104 in Monitoring & observability |
| GitHub stars | 6 612 | 8 676 ✓ |
| Stars, last 30 days | +95 ✓ | +49 |
| Stable releases, 12 months | 6 | 11 ✓ |
| Latest release | gha-runner-scale-set-0.15.1 · 23 Oct 2026 ✓ | v0.34.1 · 17 Sept 2026 |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | Apache-2.0 |
| Main language | Go | Go |

## Which one should you pick?

prom-alertmanager scores 73/100 against 71/100 for actions-runner-controller, so it is the safer default.

prom-alertmanager ships more often: 11 stable releases in the past year, against 6 for actions-runner-controller.

If you want the quickest setup, prom-alertmanager is easier to run; actions-runner-controller needs more configuration.

## Details

- [actions-runner-controller](https://selfhost.directory/project/actions-runner-controller) (markdown: https://selfhost.directory/project/actions-runner-controller.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/actions-runner-controller-vs-prom-alertmanager