OpenMetadata

Free tier available

Open-source unified metadata platform

Data Catalogs catalog metadata governance

📖 Overview

OpenMetadata is an open-source metadata platform built on open standards. It provides data discovery, lineage, quality, and governance in a unified interface. Backed by Collate, it's positioned as a modern alternative to legacy data catalogs.

✨ Key Features

✓ Unified Metadata: Single platform for all metadata types
✓ Data Quality: Built-in profiling and quality tests
✓ Lineage: Automated end-to-end lineage
✓ Collaboration: Teams, ownership, conversations
✓ Data Insights: Usage analytics and KPIs
✓ APIs First: Everything accessible via APIs

💰 Pricing

Model

open source

Starting Price

Cloud/Pro

Collate offers managed

✓ Free tier available 🏢 Enterprise plans available

👍 Pros

+ Modern, well-designed platform
+ Built-in data quality (unusual for catalogs)
+ Active development pace
+ Good documentation
+ Collate offers managed cloud

👎 Cons

− Newer, less proven at scale
− Smaller community than DataHub
− Some features still maturing
− Collate dependency for enterprise

🎯 Best For

Teams wanting a modern open-source catalog with built-in quality capabilities. Good for those starting fresh without legacy tooling.

🔗 Works With

📁 More Data Catalogs Tools

Alation

Enterprise data intelligence and catalog platform

Amundsen

Open-source data discovery and metadata platform

Atlan

Active metadata platform for modern data teams

Castor

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