Tool to work on map data, to check the data and generate your own maps
Plugins for OpenCPN
A C library for parsing/normalizing street addresses around the world
eGPXviewer is a 3D GPX track viewer
Java Library for working with gpx files
Combines the high accuracy of AR with the scale of GPS data
A library to generate short codes
A software gps simulator
A reference implementation of the Polish geobotanical grid
GPS mapping and management software
CAD 2D for Land Surveying and Civil
Trasforma coordinate da epsg per google maps
Open Source Marine Chart Plotting Program
Batch convert Lat/Long to UTM for Zone 19
This is a port of LibRTK on C#, and into a small c/c++ library.
Satellite Emulator