datannur

datannur is an open-source, lightweight data catalog that scans data sources and generates a structured, interoperable catalog under your control. It connects files, databases, and documentation in one place, addressing the problem of scattered context around datasets by bringing search, documentation, metadata exploration, and usage features into a single interface.

Features include tree view browsing, search, filtering, sorting, an AI assistant chat sidebar, an About tab for item metadata, linked Markdown and PDF documents, a business glossary of concepts, variable dependency and lineage views, statistical summaries, data previews, similar enumeration comparison, change history, favorites, and local usage data stored in the browser. Interoperability is provided through a REST API, DCAT export, and normalized geospatial metadata harvestable by INSPIRE or GeoCAT, with table exports to CSV or XLSX.

datannur is aimed at organizations that produce, publish, or maintain datasets, for inventorying sources, documenting variables, checking quality, and preparing data for publication, BI, or AI, with consultants and specialists able to support setup and training. It can run on-premises, on a server, in the cloud, or on a shared drive as a folder opened in a browser.