Abstract types and methods for Gaussian Processes
Viking is a free/open source program to manage GPS data
Earth orbits and satellite coverage display in 3D on your laptop.
Tool to work on map data, to check the data and generate your own maps
Automatically plots latitude, longitude from images on Google maps.
Multiplatform Ham Radio APRS and Mapping Program
Tag images using various categories and modifiers
A gui for linux users of miniHomer, a GPS tracker
... the open-source glide computer