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Dagster×Astronomer×
AttributeDagsterOpen sourceAstronomerOther license
Overview
Primary focusOpen-source data orchestrator with software-defined assets; Dagster Labs joined Prefect in 2026.Astro: managed Apache Airflow for orchestrating data pipelines and agentic AI workflows.
DeploymentSelf-hostedSelf-hosted
Source modelOpen sourceOther license
Pricing modelopen sourcepaid
API availableYesYes
Windows desktopNot specifiedNot specified
Mobile appNot specifiedNot specified
OverviewDagster is an open-source Python orchestrator built around software-defined assets. Its creator, Dagster Labs (formerly Elementl), was acquired by Prefect in 2026; the open-source project keeps its license and Dagster+ continues unchanged for existing customers.Astronomer builds Astro, a managed Apache Airflow platform for orchestrating data and, increasingly, agentic AI pipelines. The company employs many of Airflow's top open-source committers and prices usage per compute-hour with enterprise tiers.
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DagsterOpen source
Primary focus
Open-source data orchestrator with software-defined assets; Dagster Labs joined Prefect in 2026.
Deployment
Self-hosted
Source model
Open source
Pricing model
open source
API available
Yes
Windows desktop
Not specified
Mobile app
Not specified
Overview
Dagster is an open-source Python orchestrator built around software-defined assets. Its creator, Dagster Labs (formerly Elementl), was acquired by Prefect in 2026; the open-source project keeps its license and Dagster+ continues unchanged for existing customers.
Visit vendor ↗View full profile →
AstronomerOther license
Primary focus
Astro: managed Apache Airflow for orchestrating data pipelines and agentic AI workflows.
Deployment
Self-hosted
Source model
Other license
Pricing model
paid
API available
Yes
Windows desktop
Not specified
Mobile app
Not specified
Overview
Astronomer builds Astro, a managed Apache Airflow platform for orchestrating data and, increasingly, agentic AI pipelines. The company employs many of Airflow's top open-source committers and prices usage per compute-hour with enterprise tiers.
Visit vendor ↗View full profile →

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