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Best Data Catalog Software in 2026

Data catalog software helps teams organize, describe, and find data assets. This guide is for people comparing catalog tools by cost, access, and deployment needs.

  1. 1

    Apache Atlas

    Free plan Open source APILinuxSelf-hosted+1

    Choose Apache Atlas if your team needs open-source metadata governance, lineage, and classification controls in a self-hosted environment.

    9.3 Open source Visit site
  2. 2

    OpenMetadata

    Free plan APISelf-hostedWeb

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

    7.2 Open source Visit site
  3. 3

    CastorDoc

    Free trial APIExtensionWeb

    CastorDoc combines catalog search, lineage and governance with optional AI assistance.

    6.2 Pricing on request · 14-day trial Visit site
  4. 4
    6.0 Free plan Visit site
  5. 5

    Atlan Lakehouse

    Paid APISelf-hostedWeb

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

    5.9 Pricing on request Visit site
  6. 6

    data.world Data Catalog

    Paid APIWeb

    Choose data.world Data Catalog if automated discovery, lineage across columns, pipelines, and reports, or impact analysis fit your organization’s needs.

    5.5 Pricing on request Visit site
  7. 7

    OvalEdge

    Paid APISelf-hostedWeb

    OvalEdge brings cataloging, lineage, and governance capabilities into one platform, with multiple deployment options. Buyers should request pricing and account for licensed author users.

    5.4 Pricing on request Visit site
  8. 8

    Secoda

    Paid APIExtensionSelf-hosted+1

    Secoda brings discovery, lineage, governance, and observability into one platform with web, API, extension, and self-hosted options.

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

Check whether a tool has a free plan, free trial, or open-source licence. Compare pricing terms, supported platforms, and whether you need web access, an API, Linux, an extension, or self-hosting before choosing.

Questions

Which data catalog tools have a free plan?

Apache Atlas, OpenMetadata, and Oracle Cloud Infrastructure Data Catalog list free plans. Other tools may use paid pricing or request-based quotes.

Which tools list open-source code?

Apache Atlas and OpenMetadata list an open-source pricing model.

Is a free trial available?

CastorDoc lists a 14-day trial. Atlan Lakehouse lists no free trial. Check the current offer before signing up.

Which data catalog tools support web access?

Web is listed as a platform for data.world Data Catalog and OvalEdge. The category also includes tools with API, self-hosted, extension, or Linux options.

What should I compare before choosing?

Compare free access, licence terms, trial availability, pricing, deployment model, and platform support such as web, API, Linux, extension, or self-hosting.

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