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dagster
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dagster

An orchestration platform for the development, production, and observation of data assets.

by dagster-io · GitHub
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analyticsdagsterdata-engineeringApache-2.0Python
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In plain words

Dagster models pipelines around the data they produce rather than the tasks they run — which makes lineage and testing far easier than in Airflow.

From the README

Install
uv add dagster dagster-webserver dagster-dg-cli
Documentation ↗

Excerpts from the project README on GitHub. Copyright and licensing remain with the respective authors.

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2026-08-022026-08-31
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📄 About

An orchestration platform for the development, production, and observation of data assets.

dagster has 16.1k stars on GitHub. It has been forked 2.3k times. dagster is written mainly in Python. It has been in active development since 2018. dagster is available under the Apache-2.0 license. Its main topics are analytics, dagster, data-engineering, data-integration.

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Frequently asked questions

What is dagster?

An orchestration platform for the development, production, and observation of data assets.

Is dagster open source?

dagster is an open-source project. It is released under the Apache-2.0 license.

Is dagster free?

Yes. dagster is free and open source — you can use, modify and self-host it.

What license does dagster use?

dagster is available under the Apache-2.0 license.

What language is dagster written in?

dagster is written mainly in Python.

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