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, health, shipping, confidence, and then adoption as a tie-breaker.

# Tool Health Shipping Openness Stars Score Status
01 Project Nessie
Transactional catalog for data lakes with Git-like semantics.
83 95 OSI-approved OSS 1.5k 91 Active
02 Magda
Federated open-source data catalog for big and small data.
81 88 OSI-approved OSS 604 87 Active
03 Datannur
Portable data catalog that can run without a server.
72 76 OSI-approved OSS 2 79 Warning
04 parsimony
A lightweight Python framework for financial data discovery, indexing, retrieval and ingestion.
73 70 OSI-approved OSS 1 78 Warning
05 odd-platform
First open-source data discovery and observability platform. We make a life for data practitioners easy so you can focus on your business.
63 64 OSI-approved OSS 1.4k 71 Warning
06 FirstData
Open-source data source knowledge base for structured reference and discovery.
46 25 OSI-approved OSS 175 48 Critical