... the open-source glide computer
A Guide of the Trees of Barcelona City
Minimalistic wide-open GPS-locator/tracker
Plugins for OpenCPN
eGPXviewer is a 3D GPX track viewer
CAD 2D for Land Surveying and Civil
Toolbox for geoscientists and geo enthusiasts
See you and your friends on a map
CAD 2D for Land Surveying,Civil and more
GT2 combines online and offline navigation for hikers and cyclists
a free and open map of wireless communicating objects
Convert GPS-Tracks user-saved tracks to KML files for Google Earth.
GPSBabel converts and transfers data like waypoints, tracks & routes.