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Dagster×Merge×
AttributeDagsterOpen sourceMergeOther license
Overview
Primary focusOpen-source data orchestrator with software-defined assets; Dagster Labs joined Prefect in 2026.Unified APIs for HR, ATS, CRM, accounting and ticketing integrations
DeploymentSelf-hostedNot specified
Source modelOpen sourceOther license
Pricing modelopen sourcefreemium
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.Merge provides unified APIs across categories like HRIS, ATS, CRM, accounting and ticketing, letting SaaS companies build one integration per category instead of one per third-party tool.
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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.
MergeOther license
Primary focus
Unified APIs for HR, ATS, CRM, accounting and ticketing integrations
Deployment
Not specified
Source model
Other license
Pricing model
freemium
API available
Yes
Windows desktop
Not specified
Mobile app
Not specified
Overview
Merge provides unified APIs across categories like HRIS, ATS, CRM, accounting and ticketing, letting SaaS companies build one integration per category instead of one per third-party tool.

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