Repository Index

A spy satellite simulator in your browser, except the data is real. Live open source spatial intelligence on a photorealistic 3D globe.

• 3d-globe
• cesium
• flight-tracking
• geospatial

🍃 number one JavaScript library for interactive maps 🇺🇦

• javascript
• leaflet
• maps

An open-source JavaScript library for world-class 3D globes and maps :earth_americas:

• 3d
• geospatial
• gis
• 3d-tiles

OpenLayers

• openlayers
• javascript
• maps

Visualization of all roads within any city

🗺 MapSCII is a Braille & ASCII world map renderer for your console - enter => telnet mapscii.me <= on Mac (brew install telnet) and Linux, connect with PuTTY on Windows

• ascii-art
• map
• vector-tiles
• braille

TranslatedProvince, city, district/county and township level (three-level or four-level) city data, with pinyin annotations, coordinates, and administrative region boundary ranges; latest collection on April 3, 2026; provides csv format files, supports online conversion into multi-level linked js code and general json format, provides software to convert into shp, geojson, sql and import into databases; includes js collection source code that runs in the browser, combining administrative division data from the Ministry of Civil Affairs of the People's Republic of China, China National Geographical Names Information Library, the Bureau of Statistics, Amap (Gaode Map), and Tencent Maps

Google map library for react that allows rendering components as markers :tada:

• react
• map
• google
• component

Translated江山时序 (Jiangshan Shixu, "Rivers, Mountains and the Order of Time") · Interactive Historical Atlas of China across 18 dynasties, 164 territory snapshots, ancient-to-modern place genealogy & classical poetry routes. Interactive map timeline of Chinese history (403 BCE – Present)

• ancient-china
• cartography
• china-map
• chinese-history

An extension of GeoJSON that encodes topology! 🌐

Browser-based ground station suite for celestial body, mission and satellite tracking, SDR reception, hardware control, and telemetry decoding

• antenna
• fft
• python
• radio

Tools for editing Shapefile, GeoJSON, TopoJSON and CSV files

• geojson
• topojson
• shapefile
• gis

🆔 The easy-to-use OpenStreetMap editor in JavaScript.

• openstreetmap
• d3
• editor
• mapping

Customizable SVG map visualizations for the web in a single Javascript file using D3.js

Vector and raster maps with GL styles. Server side rendering by MapLibre GL Native. Map tile server for MapLibre GL JS, Android, iOS, Leaflet, OpenLayers, GIS via WMTS, etc.

• tileserver
• wmts
• raster-map
• docker

A very fast geospatial point clustering library for browsers and Node.

• clustering
• algorithm
• computational-geometry
• javascript

Enables easy Google map + overlays creation in Ruby apps

Slice GeoJSON into vector tiles on the fly in the browser

jQuery Vector Map Library

Polymaps is a free JavaScript library for making dynamic, interactive maps in modern web browsers.

🗺 High Quality GeoJSON maps programmatically generated.

• geojson
• country
• boundaries
• world

Extended geographic projections for d3-geo.

Geographic projections, spherical shapes and spherical trigonometry.

jQuery plugin based on raphael.js that allows you to display dynamic vector maps

• javascript
• raphael
• map
• dataviz