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Maestro vs Windmill

The same facts for both, read from GitHub every night, and the relation a person reviewed.

Maestro vs Windmill
Fact	Maestro	Windmill
Language	Java	Rust
Licence	Apache-2.0	Other
Stars	3.8k	18k
Latest	none	v1.825.0
Last push	2026-09-30	2026-10-06
Release cadence	too few releases	about 1 day between releases
Active contributors	3 commit authors on the default branch in the last 90 days	9+ commit authors on the default branch in the last 90 days
Flags	No release or tag	none

How they relate

Both replace Apache Airflow. Alternatives to Apache Airflow →
PartialMaestroNetflix's workflow orchestrator, with workflows in JSON, foreach loops and parameters set at run time.
PartialWindmillSchedules and runs workflows written as code.