A high-performance, feature-packed library for all your mapping needs
Traccar GPS Tracking System
Open source system for GPS tracking devices
ESP32 mySQM+ Sky-Meter/Weather Station with loads of features
Minimalistic wide-open GPS-locator/tracker
Show your position live on the web using your phone as a tracker
See your friends from VKontakte on the map
Pikon-Stelarium interface to use with azimuthal mount
GPS mapping and management software
Multiplatform Ham Radio APRS and Mapping Program
Track your mobile device or cellphone via internet using OpenGTS/GPRMC
See you and your friends on a map
Customization of OpenGTS look and feel
FAA digital chart viewer for iPhone and iPad
Visualize data from the opencellid.org project
a free and open map of wireless communicating objects