Viking is a free/open source program to manage GPS data
Toolkit for working with and mapping geospatial data
An information system for cyclists in Berlin and Brandenburg
GPS track editor for editing tracks and planning (multiple) day tours
Tool to work on map data, to check the data and generate your own maps
Offline vector map display ported from OsmAnd
Plugins for OpenCPN
Geodesy based library (geodetic and geocentric functions)
A software gps simulator
Korean Spatial DBMS Driver
Commons and utils Java classes used in ThéMA projects
Multiplatform Ham Radio APRS and Mapping Program