Cross platform (lin/win/mac) geographical information system (GIS)
Interactive, thoroughly customizable maps in the browser
Traccar GPS Tracking System
... the open-source glide computer
Combines the high accuracy of AR with the scale of GPS data
Library for OpenStreetMap offline rendering and routing
GT2 combines online and offline navigation for hikers and cyclists
Interactive geospatial directory
a free and open map of wireless communicating objects
PC/PocketPC tool to get tracklogs from the WBT-201 GPS logger