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Windmill vs Apache Airflow: catalog facts
Windmill	Apache Airflow
Freemium Open-source self-hosted version is free; a hosted cloud and an enterprise edition are…	Free Free and open source, developed as an Apache Software Foundation project.
Web, Self-hosted	Web, Self-hosted
Scripts become APIs, jobs and forms without boilerplate Supports TypeScript, Python, Go, Bash and 20+ other languages	Workflows are plain Python, so tasks can be generated dynamically Web UI with status and logs for every task run
Aimed at teams comfortable writing code Some features are tied to the enterprise edition	Requires Python knowledge to define workflows You run and maintain the scheduler, workers and web server yourself
Self-hosted, Hosted service	Self-hosted
Open source	Open source
License not stated	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
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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