Viking is a free/open source program to manage GPS data
French Geographic Information System
A C library for parsing/normalizing street addresses around the world
Analysis and display of Census, business, government attribute data
Multiagent simulator of road traffic in Qt/C++ and OpenStreetMap.
A Landsat 8 scene viewer
Multiplatform Ham Radio APRS and Mapping Program
Visualize data from the opencellid.org project
PC/PocketPC tool to get tracklogs from the WBT-201 GPS logger