Google maps for block game
Ultra Fast Geospatial Database & Geofencing Server
Navigational Algorithms - Marine navigation
utilities for cadastre system
Automated detection of the unknown early map projection
Sight Reduction for Air Navigation with Python
QNetMap is the library for displaying the map and the objects on it
Open Street Map (OSM) tools, OSM/XML parser, tag extractor
Simple example for triangulate polygon with allegro engine (C++)
Convert GPS-Tracks user-saved tracks to KML files for Google Earth.