Free software; self-hosted
Marquez
Open source
Open-source metadata service for collecting, storing, and visualizing OpenLineage events, with job/run history and dataset and column lineage.
Open source
Loading tools…
Free source; self-hosting costs extra
Amundsen
Open source
Archived open-source data discovery catalog with metadata search, ownership context and configurable lineage. Upstream archived September 2026.
Free core; hosting extra
OpenMetadata
Open source
An open-source metadata catalog combining discovery, lineage, data quality and governance, with self-hosted deployment and a separate managed service from Collate.
DataHub
Open source
Open-source metadata catalog from LinkedIn: column-level lineage, glossary, data contracts and an MCP server; managed DataHub Cloud is quote-only.