A high-performance, feature-packed library for all your mapping needs
Viking is a free/open source program to manage GPS data
A Guide of the Trees of Barcelona City
Transport coordinate between earth(WGS-84) and mars in china(GCJ-02)
An interactive tool for GNSS position time series analysis
Minimalistic wide-open GPS-locator/tracker
A library to generate short codes
Navigation and transit.
Analyze and change GPS coordinates and time in digital pictures
Visualize data from the opencellid.org project
Allows you to monitor the movement of users on a Google map.