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Best Machine Learning Data Catalog Software in 2026

Machine learning data catalog tools bring datasets and other ML resources into an organized catalog. Listings compare capabilities including lineage, version tracking, quality checks, access rules and deployment choices.

  1. 1

    Hugging Face Hub

    Free plan APILinuxWeb

    Hugging Face Hub combines repositories, app hosting, collaboration, storage, and inference options for machine learning work.

    7.1 Free plan · paid from $9/mo Visit site
  2. 2

    OpenMetadata

    Free plan APISelf-hostedWeb

    OpenMetadata combines data cataloging and governance with business definitions and organizational memory.

    6.9 Open source Visit site
  3. 3

    Snowflake Horizon Catalog

    Free plan APISelf-hostedWeb

    Choose Snowflake Horizon Catalog if your organization needs a web-based governance service with tiered compute, privacy, continuity, and environment-isolation capabilities.

    6.8 30-day trial Visit site
  4. 4

    OpenML

    Free plan APIWeb

    OpenML brings datasets, benchmark tasks, experiment tracking, and citation support together for machine-learning work.

    6.7 Free plan Visit site
  5. 5

    Microsoft Defender for Business

    by Microsoft Defender for Business
    Free trial AndroidAPIiPhone+2
    6.0 From $3/user/mo (annual) · 30-day trial Visit site
  6. 6

    Collibra

    Paid APIExtensionSelf-hosted+1

    Collibra brings cataloging, governance, quality monitoring and AI oversight into one product stack, with a self-hosted version available. Prospective buyers will need to request pricing and a demo.

    5.9 Pricing on request Visit site
  7. 7

    DataHub Cloud

    Free trial APIWeb

    DataHub Cloud provides automated lineage, impact analysis, metadata propagation, and extensive connector support in a cloud service.

    5.9 Pricing on request Visit site
  8. 8

    Atlan Lakehouse

    Paid APISelf-hostedWeb

    Atlan Lakehouse combines metadata context, search, and multiple access methods for enterprise AI systems.

    5.8 Pricing on request Visit site
  9. 9

    Alation Data Catalog

    Paid Web
    4.8 Pricing on request Visit site
  10. 10

    IBM watsonx.data

    Paid Web
    4.6 From $1 Visit site
  11. 11

    Amazon SageMaker Catalog

    Paid Web
    4.5 Visit site
  12. 12

    BigID Data + AI Catalog

    Paid Web
    4.5 Pricing on request Visit site
  13. 13

    Databricks Unity Catalog

    Paid Web

    Unity Catalog presents a paid web offering centered on discovery, lineage, and impact analysis. Its feature list covers column, pipeline, and report lineage, with hybrid deployment identified.

    4.4 Visit site
  14. 14

    Informatica Cloud Data Marketplace

    Paid Web
    4.1 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Compare free plans, trials, pricing and platform support before choosing. If access to source code matters, review the licence terms; OpenMetadata is listed as open source, and Hugging Face Hub shows a free plan with paid access from $9 per month.

Questions

Do machine learning data catalogs have free plans?

Some listed tools, including Hugging Face Hub and OpenMetadata, provide a free plan. Check the specific plan terms before choosing.

Are free trials available?

Some listed tools offer a free trial. Trial availability and terms can differ, so check the product details before signing up.

Which platforms can these catalogs run on?

Across the listings, supported environments include web, API, self-hosted, macOS, iOS and Android. Confirm platform support for the product you are considering.

What ML features should I compare?

Assess ML asset coverage, lineage, dataset versioning, data quality checks and access policy controls.

Can I find open-source catalog software?

OpenMetadata appears in the list as free, open-source software. Check the licence before reading, changing or redistributing code.

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