DataHub
DataHub is an open-source metadata platform providing search, discovery, and end-to-end lineage across warehouses, pipelines, and BI tools via push-based ingestion.
DataHub is an open-source metadata platform originating at LinkedIn. It aggregates technical and operational metadata from warehouses, lakes, orchestrators, and BI tools into a searchable catalog with end-to-end lineage across systems.
Its architecture is stream-oriented: metadata changes are ingested as events (push or scheduled pull), keeping the graph current. Governance features include ownership, glossaries, domains, tags, and policy-driven access to metadata.
DataHub serves as the discovery and lineage backbone for data platforms — answering what data exists, where it came from, and who owns it. It can be self-hosted, with Acryl (DataHub Cloud) as the managed offering; OpenMetadata is its closest open-source alternative.
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