Ultra Fast Geospatial Database & Geofencing Server
Geographic library
Viking is a free/open source program to manage GPS data
GPS log file viewer and analyzer
A software package for quantitative analysis in Panbiogeography
Geographic feature extraction and data mining
An information system for cyclists in Berlin and Brandenburg
Simple GPS tracking server
Open source cross-platform Java Visual Traceroute
Adjustment of local surveying networks, binary builds for Windows
A GUI for the freeware Geographical Information System PCRaster
Plugins for OpenCPN
Geodesy based library (geodetic and geocentric functions)
Library for OpenStreetMap offline rendering and routing
GPS mapping and management software
a space-time interpolation geostatistical tool
Subway maps of the World !