MeteosatTool is for visualization and processing meteo satellite image
CLI tool that computes possible paths between two train stations
A gui for linux users of miniHomer, a GPS tracker
A map maker via online map services
NMEA libary for java (protocol of GPS devices)
A GUI for the freeware Geographical Information System PCRaster
Map Coloring Plugin for OpenJump
Treating your secrets like US Governments Top Secrets