Data Catalog GitHub Repositories (2026) · Open Source Tools

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

The Context Platform for your Data and AI Stack

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.

Self-hosted geospatial data catalog with semantic search (pgvector), OGC/STAC APIs, and map builder. Built on FastAPI, PostGIS, React, and MapLibre.

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

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

Where data access meets operational intelligence