Top CATALOG GitHub Repositories & Tools (2026)

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

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.

GeoNetwork is a catalog application to manage spatially referenced resources. It provides powerful metadata editing and search functions as well as an interactive web map viewer. It is currently used in numerous Spatial Data Infrastructure initiatives across the world.

Magento Inventory Project (a.k.a MSI)

AtroPIM is a flexible, highly configurable, modular, open-source product information management (PIM) system that extends the AtroCore data management and system integration platform.

The Unidata netcdf-java library

A book collection app for Android

Katalog is an application to manage catalogs of disks and files to search and get statistics.

One webpage for every book ever published!

Where data access meets operational intelligence

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.