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Apache DolphinSchedulerPrefect
Free

Free and open source as an Apache Software Foundation project.

 Freemium

Open source core is free; the hosted platform has a free start and paid plans.

Self-hosted Web, Self-hosted, Command line
  • Visual DAG editor for defining job dependencies
  • Distributed design for spreading work across machines
  • Plain Python decorators define flows and tasks
  • Built-in retries and scheduling
  • Requires running and maintaining your own server deployment
  • Aimed at data pipelines and backend jobs, not desktop automation
  • Aimed at Python users
  • Some features belong to the paid hosted platform
Self-hosted Self-hosted, Hosted service
Open source Open source
License: Apache-2.0 License: Apache-2.0
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.