Free and open first
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.
- 12 apps
- Research read 22 Oct 2026
- How the order is worked out
- 1
Apache Atlas
Free plan Open source APILinuxSelf-hosted+1Choose Apache Atlas if your team needs open-source metadata governance, lineage, and classification controls in a self-hosted environment.
- 2
OpenMetadata
Free plan APISelf-hostedWebOpenMetadata combines data cataloging and governance with business definitions and organizational memory.
- 3
CastorDoc
Free trial APIExtensionWebCastorDoc combines catalog search, lineage and governance with optional AI assistance.
- 4
Oracle Cloud Infrastructure Data Catalog
Free plan Web - 5
Atlan Lakehouse
Paid APISelf-hostedWebAtlan Lakehouse combines metadata context, search, and multiple access methods for enterprise AI systems.
- 6
data.world Data Catalog
Paid APIWebChoose data.world Data Catalog if automated discovery, lineage across columns, pipelines, and reports, or impact analysis fit your organization’s needs.
- 7
OvalEdge
Paid APISelf-hostedWebOvalEdge brings cataloging, lineage, and governance capabilities into one platform, with multiple deployment options. Buyers should request pricing and account for licensed author users.
- 8
Secoda
Paid APIExtensionSelf-hosted+1Secoda brings discovery, lineage, governance, and observability into one platform with web, API, extension, and self-hosted options.
- 9 4.6 Visit site
- 10 3.8 Visit site
- 11 3.7 Visit site
- 12 3.6 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
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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