compare
Maestro vs Prefect
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Maestro | Prefect |
|---|---|---|
| Language | Java | Python |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 3.8k | 24k |
| Latest | none | 3.8.8 |
| Last push | 2026-09-30 | 2026-10-06 |
| Release cadence | too few releases | too few releases |
| Active contributors | 3 commit authors on the default branch in the last 90 days | 51 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.
Full replacementPrefectWorkflows as plain Python functions with decorators, without DAG files.
Maestro
This repository publishes tags, not GitHub releases.
Prefect
- 3.8.82026-10-063.8.8 - I take my wildcards literally
- 3.8.8.dev42026-10-063.8.8.dev4: Nightly Development Releasepre-release
- 3.8.8.dev32026-10-023.8.8.dev3: Nightly Development Releasepre-release
- 3.8.8.dev22026-10-013.8.8.dev2: Nightly Development Releasepre-release
- 3.8.8.dev12026-09-303.8.8.dev1: Nightly Development Releasepre-release
Maestro
No release or tag to check a signature on.
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Prefect
✓ signed The latest release, 3.8.8, carries a signature GitHub verified.
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