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Apache Airflow vs Dagu: catalog facts
Apache Airflow	Dagu
Free Free and open source, developed as an Apache Software Foundation project.	Free Free to download and self-host; the source is published on GitHub.
Web, Self-hosted	Self-hosted, Command line
Workflows are plain Python, so tasks can be generated dynamically Web UI with status and logs for every task run	Single binary with no database to set up Declarative YAML workflows over existing scripts and commands
Requires Python knowledge to define workflows You run and maintain the scheduler, workers and web server yourself	Workflows must be written in YAML You host and maintain the server yourself
Self-hosted	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.