Traccar GPS Tracking System
Minimalistic wide-open GPS-locator/tracker
Track your mobile device or cellphone via internet using OpenGTS/GPRMC
Apl. móvil de Información georeferenciada + visor 3D escritorio
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
FAA digital chart viewer for iPhone and iPad
a free and open map of wireless communicating objects
In-flight navigation (and more) for private pilots (Linux).