Similar to Nコード

GeoRSS

QGIS

SAGA GIS

Map#Electronic maps

Geodetic datum

Tianditu

NASA WorldWind

List of map projections

Map projection

Conformal map projection

Pictorial map

45×90 points

COVID-19 apps

GDAL

Geospatial content management system

GeoServer

Global Administrative Unit Layers

GRASS GIS

ISO 6709

KH-5 Argon

Leaflet (software)

Mapnik

MapServer