dagster

The premium Open Source alternative to Astronomer

🎯 Best for:Modern data teams prioritizing data quality and asset-based development.
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Apache-2.0License

What is dagster?

Replaces Apache Airflow with a data-aware orchestration platform. Focuses on the data assets produced rather than just the tasks, providing built-in versioning and lineage.

Tech Stack
PythonAI, ML & Data

Why dagster?

  • Superior local development experience
  • Strong typing and metadata tracking
  • Integrated data quality checks

Limitations

  • Complex abstraction layers
  • High memory footprint
  • Steeper learning curve than Airflow
3/5/2026
Last Update
2,009
Forks
2,782
Issues
Apache-2.0
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to dagster instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on Astronomer)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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