Viking is a free/open source program to manage GPS data
Toolkit for working with and mapping geospatial data
Tool to work on map data, to check the data and generate your own maps
Geodesy based library (geodetic and geocentric functions)
Multiplatform Ham Radio APRS and Mapping Program
A wildfire decision support system and visualization tool from Emxsys.
GUI Program for GEMPAK
A gui for linux users of miniHomer, a GPS tracker
Visualize data from the opencellid.org project
Analysis of drug resistance and epidemiology of STI (STD) in Russia