Accurately Locate Smartphones using Social Engineering
... the open-source glide computer
Transport coordinate between earth(WGS-84) and mars in china(GCJ-02)
A C library for parsing/normalizing street addresses around the world
eGPXviewer is a 3D GPX track viewer
CAD 2D for Land Surveying and Civil
Land survey field crew data management for .RAW and .JOB file types.
CAD 2D for Land Surveying,Civil and more
Aircraft navigator with HSI for TomTom devices
a free and open map of wireless communicating objects