# Dagster
> Dagster is an open-source data orchestrator designed for the entire development lifecycle, including development, deployment, and monitoring. It focuses on 'Software-Defined Assets,' a declarative approach where the orchestrator understands the data objects being produced rather than just the tasks being run. Developed by Elementl, it is a prominent player in the 'Modern Data Stack' ecosystem.
- URL: https://optimly.ai/brand/dagster
- Slug: dagster
- BAI Score: 78/100
- Archetype: Challenger
- Category: Data Engineering
- Last Analyzed: April 11, 2026
## Competitors
- Informatica (https://optimly.ai/brand/informatica)
## Also Referenced By
- Airbyte (https://optimly.ai/brand/airbyte)
- Dbt Cloud Developer Tier (https://optimly.ai/brand/dbt-cloud-developer-tier)
- Data Orchestrators (https://optimly.ai/brand/data-orchestrators)