Best Data Catalogs & Portals tools by public signals

These picks are computed from scored public evidence. Use the openness column in the ranking to separate OSI-approved, source-available, open-core, proprietary, and unverified-license tools.

Use Case Rankings

Ordered by ToolVitals score, then health, shipping, confidence, GitHub stars, and name.

#ToolHealthShippingOpennessStarsScoreStatus
01Project Nessie
Transactional catalog for data lakes with Git-like semantics.
9696OSI-approved OSS1.5k96Active
02odd-platform
First open-source data discovery and observability platform. We make a life for data practitioners easy so you can focus on your business.
8881OSI-approved OSS1.4k85Active
03Magda
Federated open-source data catalog for big and small data.
8379OSI-approved OSS60681Active
04Datannur
Portable data catalog that can run without a server.
8078OSI-approved OSS380Active
05parsimony
A lightweight Python framework for financial data discovery, indexing, retrieval and ingestion.
7673OSI-approved OSS175Active
06FirstData
Open-source data source knowledge base for structured reference and discovery.
290OSI-approved OSS18218Critical