Viking is a free/open source program to manage GPS data
Toolkit for working with and mapping geospatial data
Geographic feature extraction and data mining
Tool to work on map data, to check the data and generate your own maps
Geodesy based library (geodetic and geocentric functions)
FastVersion is a Qgis plugin for data versioning in a Postgis database
Multiplatform Ham Radio APRS and Mapping Program
QNetMap is the library for displaying the map and the objects on it
A wildfire decision support system and visualization tool from Emxsys.
A frontend for gpsbabel
Analysis of drug resistance and epidemiology of STI (STD) in Russia