# Mailu vs prefect

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

| | Mailu | prefect |
|---|---|---|
| Score | 69/100 | 80/100 ✓ |
| Rank in category | #8 of 106 in Email | #5 of 32 in Workflow Automation |
| GitHub stars | 7 595 | 24 093 ✓ |
| Stars, last 30 days | +72 | +181 ✓ |
| Stable releases, 12 months | 22 ✓ | 17 |
| Latest release | 2024.06.67 · 23 Oct 2026 | 2.20.27 · 23 Oct 2026 |
| Setup | Moderate | Moderate ✓ |
| Official Docker image | No | Yes ✓ |
| License | Other | Apache-2.0 |
| Main language | Python | Python |

## Which one should you pick?

prefect scores 80/100 against 69/100 for Mailu, so it is the safer default.

Mailu ships more often: 22 stable releases in the past year, against 17 for prefect.

prefect is growing faster right now (+181 stars in 30 days).

## Details

- [Mailu](https://selfhost.directory/project/mailu) (markdown: https://selfhost.directory/project/mailu.md)
- [prefect](https://selfhost.directory/project/prefect) (markdown: https://selfhost.directory/project/prefect.md)

## Related comparisons

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

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