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Head-to-head · Active Metadata Management Software

Alation Data Catalog vs OpenMetadata

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Alation Data Catalog #4 in Active Metadata Management Software 8.9/10 Pricing on request ✓ 5 of 5 features Visit Alation

Alation Data Catalog leads on 0 checks, OpenMetadata on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAlation Data Catalog · 8.9/10
  • Most featuresAlation Data Catalog · 5 of 5

Alation Data Catalog scores higher on our rubric for active metadata management software: 8.9 against 8.7 out of 10; our editors rank them #4 and #6.

Alation Data Catalog is the better fit for large organizations needing comprehensive cataloging. OpenMetadata is the better fit for teams wanting open-source metadata management.

  • Alation Data Catalog fits best

    Large organizations needing comprehensive cataloging

  • OpenMetadata fits best

    Teams wanting open-source metadata management

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Alation Data Catalog 8.9/10 Visit ↗ OpenMetadata 8.7/10 Visit ↗
At a glance
Editor score 8.9 8.7
Ranking #4 in Active Metadata Management Software #6 in Active Metadata Management Software
Best for Large organizations needing comprehensive cataloging Teams wanting open-source metadata management
Pricing model Paid Free
Starting price — Open source
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Cloud, Self-hosted, Browser extension Cloud, Self-hosted
Platforms Web, Chrome extension Web
Support Docs Community, Docs
Compliance SOC 2, ISO 27001, HIPAA, SSO/SAML SSO/SAML
Integrations 120+ integrations 130+ integrations
Built for Enterprise, Mid-market Small business, Mid-market, Enterprise
Features Alation Data Catalog 5/5 · OpenMetadata 1/5
Automated lineage ✓ (best) Not checked yet
Data quality monitoring ✓ (best) Not checked yet
Governance workflows ✓ (best) Not checked yet
Impact analysis ✓ ✓
API access ✓ (best) Not checked yet
Specs
Metadata source limit Not checked yet Not checked yet
Deployment model Hybrid Not checked yet
Our review
Pros
  • Automates metadata extraction, catalog updates and end-to-end lineage.
  • Combines governance workflows, quality monitoring and AI-assisted curation.
  • Connects 120 systems with APIs plus Excel, Slack and Teams integrations.
  • Apache 2.0 open-source platform for cataloging, governance, and data context
  • Automates table, column, dashboard, report, and pipeline lineage
  • 130 integrations plus REST APIs, SDKs, events, and webhooks
Cons
  • Contact-sales pricing can slow initial budget planning.
  • Documentation is the listed support channel.
  • Broad enterprise scope may exceed small teams' needs.
  • Self-hosted deployment places infrastructure management with the team
  • Support centers on community and documentation channels
  • Broad scope may exceed the needs of teams wanting only a lightweight catalog
Our verdict

Alation Data Catalog is an enterprise metadata management and data discovery platform from Alation, Inc., founded in 2012. It catalogs metadata from databases, files, business-intelligence systems, applications and AI models, then adds…

Read the review →

OpenMetadata is an open-source metadata platform for data teams and organizations managing complex data ecosystems. It combines metadata discovery, cataloging, governance, data quality, observability, lineage, semantic context, and…

Read the review →
  1. Alation Data CatalogActive Metadata Management Software 8.9Pricing on request
  2. OpenMetadataActive Metadata Management Software 8.7Open source

Strengths and trade-offs

  • Alation Data Catalog — where it wins

    • Automates metadata extraction, catalog updates and end-to-end lineage.
    • Combines governance workflows, quality monitoring and AI-assisted curation.
    • Connects 120 systems with APIs plus Excel, Slack and Teams integrations.

    Where it doesn't

    • Contact-sales pricing can slow initial budget planning.
    • Documentation is the listed support channel.
    • Broad enterprise scope may exceed small teams' needs.
  • OpenMetadata — where it wins

    • Apache 2.0 open-source platform for cataloging, governance, and data context
    • Automates table, column, dashboard, report, and pipeline lineage
    • 130 integrations plus REST APIs, SDKs, events, and webhooks

    Where it doesn't

    • Self-hosted deployment places infrastructure management with the team
    • Support centers on community and documentation channels
    • Broad scope may exceed the needs of teams wanting only a lightweight catalog
  • Alation Data Catalog8.9/10 · Pricing on request

    Enterprise cataloging with lineage, governance, quality monitoring and AI curation.

    Visit AlationFull verdict →
  • OpenMetadata8.7/10 · Open source

    A broad open-source catalog with automated lineage, quality, APIs, and 130 integrations.

    Visit OpenMetadataFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update