Apache Airflow — open-source Workflow Automation

Updated 2026-09-03 · tool · Workflow Automation · rev 1 · structured JSON

Industry-standard DAG scheduler

• Open source: yes (Apache-2.0)
• Self-hostable: yes
• Pricing model: free
• Best for: Data engineers, ML practitioners, and DevOps teams who need to programmatically author, schedule, and monitor complex data pipelines and workflows.
• Last verified: 2026-09-04

Is Apache Airflow open source?

Yes — Apache-2.0-licensed.

How much does Apache Airflow cost?

It is free to use.

Can I self-host Apache Airflow?

Yes — it can be self-hosted.

• Source: github · github.com/apache
• Repository: https://github.com/apache/airflow

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