open-metadata / OpenMetadata

The Open Context Layer for Data and AI , OpenMetadata is the open platform for building trusted data context and business semantics for humans, AI assistants, and agents.

datahub-project / datahub

The Context Platform for your Data and AI Stack

clidey / whodb

Where data access meets operational intelligence

apache / gravitino

World's most powerful open data catalog for building a high-performance, geo-distributed and federated metadata lake.

opendatadiscovery / 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.

intake / intake

Intake is a lightweight package for finding, investigating, loading and disseminating data.

marmotdata / marmot

The open-source context layer for your AI. Catalog your tables, topics, queues and APIs then expose real metadata to your AI agents.

Niki9001 / purview-unified-sdk

Python SDK for Microsoft Purview Unified Catalog APIs, supporting data products, business domains, glossary terms, CDEs, relationships, OKRs, policies, and data quality automation.

hike-lab / public-data-lens

MCP-based discovery and judgment layer for Korea’s open data portal—helping AI agents find, compare, and assess datasets with explicit evidence, JSON-LD/DCAT metadata, and versioned deterministic rules.