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Dagu vs Dagster: catalog facts
Dagu	Dagster
Free Free to download and self-host; the source is published on GitHub.	Freemium The open-source core is free; Dagster+ is a paid hosted service.
Self-hosted, Command line	Web, Self-hosted
Single binary with no database to set up Declarative YAML workflows over existing scripts and commands	Asset-based model with lineage and freshness tracking Self-hostable open-source core
Workflows must be written in YAML You host and maintain the server yourself	Aimed at data engineering teams, not general automation Announced merger with Prefect makes the roadmap uncertain
Downloadable app, Self-hosted	Self-hosted, Hosted service
Open source	Open source
License not stated	License not stated
No account needed	Not stated if an account is 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.