GitHub - davidmoten/geo: Geohash utitlies in java

Apache SIS - The Apache SIS™ library

GeoTools The Open Source Java GIS Toolkit — GeoTools

GitHub - graphhopper/graphhopper: Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

Open source routing engine for open street map use it as java library or standalone web server git hub graphhopper graphhopper open source routing engine for open street map use it as java libra

H2GIS • Spatial H2

A spatial extension of the h2 database compliant solid tested

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GitHub - mapsforge/mapsforge: Vector map library and writer - running on Android and Desktop.

Vector map library and writer running on android and desktop git hub mapsforge mapsforge vector map library and writer running on android and desktop

GitHub - locationtech/spatial4j: LocationTech Spatial4j: A Geospatial Library for Java

Location tech spatial4j a geospatial library for java git hub locationtech spatial4j location tech spatial4j a geospatial library for java