Data catalogs & discovery · OpenMetadata community (commercial: Collate)

OpenMetadata

Open-source unified metadata platform covering catalog, lineage, data quality and observability in one schema.

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OpenMetadata is an open-source platform that unifies data cataloging, lineage, data quality testing and observability under a single metadata schema, rather than treating them as separate products bolted together. It ships with column-level lineage, automated PII classification, glossary and tagging, collaboration features such as tasks and announcements, and built-in data quality test suites. The project is fully self-hostable under an Apache-2.0 license. Collate, the company founded by OpenMetadata's creators, offers a managed SaaS version with a genuine free tier for small teams (5 users, 500 assets) plus Premium and Enterprise plans priced by demo for larger footprints, adding SSO, dedicated deployment options and Collate AI features. Teams choose OpenMetadata when they want catalog, lineage and quality in one open-source tool instead of stitching several point tools together.

At a glance

Vendor OpenMetadata community (commercial: Collate)
Pricing model Free tier + paid plans
Free tier Yes
Deployment Cloud, Self-hosted
Open source Yes (Apache-2.0)
Best for Teams wanting catalog, lineage and data quality in a single open-source platform.

Pricing

Self-hosted core is free; Collate's hosted version has a genuine free tier plus quote-based Premium and Enterprise plans.

Plan Price Notes
Free Free Multi-tenant SaaS; 5 users, 500 data assets (Collate)
Premium Custom (demo required) 25 users, 5,000 assets; adds automated PII classification, SSO, APIs
Enterprise Custom (demo required) 50+ users, 10,000+ assets; custom integrations, dedicated support, VPN, audit logs

Prices read from the vendor's own page on September 21, 2026. Vendors change prices; check the source before you budget.

Features

  • Unified catalog, lineage, quality and observability schema
  • Column-level lineage
  • Automated PII classification
  • Built-in data quality test suites
  • Glossary and classification tags
  • Collaboration (tasks, announcements)
  • Role-based access control
  • Collate AI assistant (hosted)

Integrations

Profile last reviewed September 21, 2026

Head to head

Alternatives

DataHub Open-source metadata platform for search, lineage and governance, with a managed DataHub Cloud offered by Acryl Data. Amundsen Open-source, search-first data discovery catalog originally built at Lyft; development has slowed significantly since 2024. Apache Atlas Apache open-source metadata and governance framework providing classification, lineage and search for Hadoop-era platforms.

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Terms to know

Data catalog A searchable inventory of an organization's data assets, with descriptions, ownership and usage attached. Data lineage A traceable record of where data came from, how it was transformed, and where it is used downstream. Data quality The degree to which data is accurate, complete, consistent and fit for the purpose it is being used for. Data governance The policies, roles and processes that determine how data is defined, owned, accessed and kept compliant. AI copilot An AI tool embedded in a work application that assists a human with suggestions or drafts, rather than working unsupervised. Role-based access control (RBAC) Granting data or system permissions based on a user's assigned role rather than configuring access for each person individually.

Related guides

How to choose a data catalog Pick a data catalog by who has to document it, how lineage gets built, and whether your organization needs governed workflow or fast, automated discovery.