Viking is a free/open source program to manage GPS data
An information system for cyclists in Berlin and Brandenburg
Plugins for OpenCPN
Geodesy based library (geodetic and geocentric functions)
CAD 2D for Land Surveying and Civil
FastVersion is a Qgis plugin for data versioning in a Postgis database
CAD 2D for Land Surveying,Civil and more
Ready-to-use appliance for GIS, Data Mining and Analysis, Modelling...
a free and open map of wireless communicating objects