Cross platform (lin/win/mac) geographical information system (GIS)
Open-source satellite tracker and pass predictor for Android
Organic Maps is a free Android & iOS offline maps app for travelers
Open-source JavaScript library for mobile-friendly interactive maps
Interactive, thoroughly customizable maps in the browser
A high-performance, feature-packed library for all your mapping needs
Traccar GPS Tracking System
Lightweight GPS Logging Application For Android
LaMa - A Localization and Mapping library
GPS navigation software for Windows Mobile & WinCE devices.
Showing The Amateur radio Repeaters Tool
Navigational Algorithms - Marine navigation
Minimalistic wide-open GPS-locator/tracker
Compilazione libretto rilievo PREGEO durante rilievo con NIKON e LEICA
Interactive, thoroughly customizable maps
Show your position live on the web using your phone as a tracker
Offline OpenStreetMap maps for iOS and Android
Combines the high accuracy of AR with the scale of GPS data
See your friends from VKontakte on the map
Android Phone app that sends your GPS location in a SMS to a recipient