The JTS Topology Suite is a Java library for creating and manipulating vector geometry.

A .NET GIS solution that is fast and reliable for the .NET platform.

坐标边界查询工具：使用jts库从省市区县乡镇边界数据或geojson边界数据文件中查找出和任意点、线、面有相交的矢量边界，提供HTTP API接口，内存占用低，性能优良（1秒可查1万个以上坐标对应的城市信息）

Java Mapbox Vector Tile Library for Encoding/Decoding

GeoJSON support for Google gson library

利用高德导航接口创建交通路网模型

JTS Topology Suite

OGC/GIS functions and extensions for Dremio

Commandline application for manipulating geometry.

Java Mapbox Vector Tile Library for Encoding/Decoding

Treasure hunt engine for PG Computational Geometry

Spatial corridor search for Apache Solr.

Minkowski sum/difference computation, built on top of JTS

The application demonstrates how a custom datatype can be added to a CUBA application.

Medial Axes for JTS Geometry [WIP]

Conversion utility from JTS geometries to AWT shapes

Utility methods for JTS geometries

Clone of the JTS repository from SourceForge