Apache Calcite

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

Official GeoTools repository

A cluster computing framework for processing large-scale geospatial data

Apache OFBiz - Main development has moved to the ofbiz-frameworks repository.

Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.

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.

A component of MapFish for printing templated cartographic maps. This module is the Java serverside module.

The NASA WorldWind Java SDK (WWJ) is for building cross-platform 3D geospatial desktop applications in Java.

The map matching functionality is now located in the main repository https://github.com/graphhopper/graphhopper#map-matching

Apache Calcite Avatica

Lucene based secondary indexes for Cassandra

Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.

The NASA WorldWind Java SDK for Android (WWA) includes the library, examples and tutorials for building 3D virtual globe applications for phones and tablets.

ArcGIS Maps SDK for Java samples

Official deegree repository providing geospatial core libraries, data access and advanced OGC web service implementations

OSM in memory

Cloud Native GeoServer is GeoServer ready to use in the cloud through dockerized microservices.

Java bindings for H3, a hierarchical hexagonal geospatial indexing system

Quadtree implementation