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Unity Catalog: Open, Multimodal Catalog for Data & AI

Unity Catalog is the industry’s only universal catalog for data and AI.

  • Multimodal interface supports any format, engine, and asset

  • Multi-format support: It is extensible and supports Delta Lake, Apache Iceberg and Apache Hudi via UniForm, Apache Parquet, JSON, CSV, and many others.

  • Multi-engine support: Unity Catalog's open APIs allow many leading compute engines to read data cataloged in Unity.

  • Multimodal: It supports all your data and AI assets, including tables, files, functions, AI models.

  • Open source API and implementation - OpenAPI spec and OSS implementation (Apache 2.0 license). It is also compatible with Apache Hive's metastore API and Apache Iceberg's REST catalog API. Unity Catalog is currently a sandbox project with LF AI and Data Foundation (part of the Linux Foundation).

  • Unified governance for data and AI - Govern and secure tabular data, unstructured assets, and AI assets with a single interface.

The first release of Unity Catalog focuses on a core set of APIs for tables, unstructured data, and AI assets. More will come soon on governance, access, and client interoperability. This is just the beginning!

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Project Governance

Unity Catalog is proud to be hosted by the LF AI & Data Foundation.