Kestravswindmill
Two self-hosted Prefect alternatives, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Kestra | windmill | |
|---|---|---|
| Score | 82/100 | 77/100 |
| Rank in category | #3 of 32 in Workflow Automation | #6 of 32 in Workflow Automation |
| GitHub stars | 30 052 | 18 307 |
| Stars, last 30 days | +1 736 | +287 |
| Stable releases, 12 months | 59 | 161 |
| Latest release | v1.3.45 · 27 Oct 2026 | v1.851.0 · 28 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | Other |
| Main language | Java | Rust |
Which one should you pick?
Kestra scores 82/100 against 77/100 for windmill, so it is the safer default.
windmill ships more often: 161 stable releases in the past year, against 59 for Kestra.
Kestra is growing faster right now (+1 736 stars in 30 days).
Kestra details →windmill details → All Prefect alternatives →
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