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Prefect vs Dagu: catalog facts
Prefect	Dagu
Freemium Open source core is free; the hosted platform has a free start and paid plans.	Free Free to download and self-host; the source is published on GitHub.
Web, Self-hosted, Command line	Self-hosted, Command line
Plain Python decorators define flows and tasks Built-in retries and scheduling	Single binary with no database to set up Declarative YAML workflows over existing scripts and commands
Aimed at Python users Some features belong to the paid hosted platform	Workflows must be written in YAML You host and maintain the server yourself
Self-hosted, Hosted service	Downloadable app, Self-hosted
Open source	Open source
License: Apache-2.0	License not stated
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 September 23, 2026

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