Side by side
Alation Data Lineage vs CastorDoc
Both stand on data lineage tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid APISelf-hostedWeb
Alation Data Lineage combines automated discovery, manual annotation, visual context and impact analysis. Connector coverage and deployment options are broad, but column-level detail varies by source and connector.
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Free trial APIExtensionWeb
CastorDoc combines catalog search, lineage and governance with optional AI assistance. Its metadata-focused approach and broad connector list fit organizations organizing data assets across multiple systems.
Visit CastorDocThe facts
| Alation Data Lineage | CastorDoc | |
|---|---|---|
| Free plan | No | A free trial |
| Open source | Not published | Not published |
| Runs on | API, Self-hosted, Web | API, Extension, Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 2 |
| Maker | Not published | Not published |
| Website | alation.com | castordoc.com |
| On data lineage tools | #21 of 43 | #17 of 43 |
Alation Data Lineage: what it does well
- Maps flows, transformations and dependencies
- Captures lineage automatically and manually
- Offers more than 120 connectors
- Includes public lineage API access
- Supports cloud and customer-managed deployments
What to know first
- No free plan
- Pricing requires a sales conversation
- Column coverage depends on source and connector
CastorDoc: what it does well
- Natural-language search for data assets
- Automated column-level lineage mapping
- PII and PHI detection with tagging
- Role- and attribute-based access controls
- Metadata ingestion without underlying data access
What to know first
- No free plan
- Pricing is available on request
- Generated SQL should be reviewed
- AI features are disabled by default
Alternatives to Alation Data Lineage Alternatives to CastorDoc The whole list