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Prefect vs Digdag: catalog facts
Prefect	Digdag
Freemium Open source core is free; the hosted platform has a free start and paid plans.	Free Free and open source under the Apache 2.0 licence.
Web, Self-hosted, Command line	Windows, Self-hosted, Command line
Plain Python decorators define flows and tasks Built-in retries and scheduling	Single binary for both server and client Workflows in plain YAML with dependency resolution
Aimed at Python users Some features belong to the paid hosted platform	Aimed at data and operations pipelines rather than desktop automation Running it as a scheduler means operating your own server
Self-hosted, Hosted service	Downloadable app, Self-hosted
Open source	Open source
License: Apache-2.0	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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