Accurately Locate Smartphones using Social Engineering
Minimalistic wide-open GPS-locator/tracker
Apl. móvil de Información georeferenciada + visor 3D escritorio
CAD 2D for Land Surveying,Civil and more
See you and your friends on a map
GT2 combines online and offline navigation for hikers and cyclists
a free and open map of wireless communicating objects
... the open-source glide computer