A modular geospatial engine written in JavaScript and TypeScript

World countries in JSON, CSV, XML and Yaml. Any help is welcome!

Interactive, thoroughly customizable maps in native Android, iOS, macOS, Node.js, and Qt applications, powered by vector tiles and OpenGL

Zero dependency library to provide some basic geo functions

Tools for editing Shapefile, GeoJSON, TopoJSON and CSV files

Single file PHP script that adds a REST API to a SQL database

Maps SDK for Android Utility Library

🌎 Large-scale WebGL-powered Geospatial Data Visualization analysis engine.

地理坐标系转换工具

Build vector tilesets from large collections of GeoJSON features.

GeoJSON utilities that will make your life easier.

🍂🗺️ The most powerful leaflet plugin for drawing and editing geometry layers

A quick, simple tool for creating, viewing, and sharing spatial data

Official GeoTools repository

The Swift Geometry Engine.

适用于echarts等地图geoJson行政区划边界数据的实时获取与应用，json格式数据，全国省市区县多级联动下钻，真正意义的下钻至县级【附最新全国省市区县乡镇三级或四级城市geoJson文件下载，另可下载四级联动或五级（村级）行政编码对应关系】

🗺 High Quality GeoJSON maps programmatically generated.

A flexible web-based editor, converter, visualization tool, for geospatial data

Geographic add-ons for Django REST Framework. Maintained by the OpenWISP Project.

uMap lets you create maps with OpenStreetMap layers in a minute and embed them in your site.