# prefect vs SafeLine

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

| | prefect | SafeLine |
|---|---|---|
| Score | 80/100 | 81/100 ✓ |
| Rank in category | #5 of 32 in Workflow Automation | #1 of 3 in Web Application Firewall |
| GitHub stars | 24 093 ✓ | 23 071 |
| Stars, last 30 days | +181 | +401 ✓ |
| Stable releases, 12 months | 17 ✓ | 11 |
| Latest release | 2.20.27 · 23 Oct 2026 ✓ | v9.4.3 · 21 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | GPL-3.0 |
| Main language | Python | Go |

## Which one should you pick?

SafeLine scores 81/100 against 80/100 for prefect, so it is the safer default.

prefect ships more often: 17 stable releases in the past year, against 11 for SafeLine.

SafeLine is growing faster right now (+401 stars in 30 days).

## Details

- [prefect](https://selfhost.directory/project/prefect) (markdown: https://selfhost.directory/project/prefect.md)
- [SafeLine](https://selfhost.directory/project/safeline) (markdown: https://selfhost.directory/project/safeline.md)

## Related comparisons

- [Kestra vs prefect](https://selfhost.directory/compare/kestra-vs-prefect)

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Source: https://selfhost.directory/compare/prefect-vs-safeline