dagster
The premium Open Source alternative to Astronomer
🎯 Best for:Modern data teams prioritizing data quality and asset-based development.
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%