The MarkLogic Data Hub is an open source software interface that works to ingest data from multiple sources, harmonize that data, master it, and then search and analyze it. It runs on MarkLogic Server and together, they provide a unified platform for mission-critical use cases.
Data Hub 5 (latest version):
Data Hub 4:
Go through the Getting Started with MarkLogic Data Hub tutorial to learn about the installation requirements, configuration, loading data, and more.