GPS log file viewer and analyzer
Viking is a free/open source program to manage GPS data
GPS track editor for editing tracks and planning (multiple) day tours
... the open-source glide computer
Transport coordinate between earth(WGS-84) and mars in china(GCJ-02)
Create, edit view GPX tracks (in the background - online maps)
Tool to work on map data, to check the data and generate your own maps
Plugins for OpenCPN
A C library for parsing/normalizing street addresses around the world
GPS mapping and management software
Trasforma coordinate da epsg per google maps
A tile-based map viewer with support for GPX files.
Toolbox for geoscientists and geo enthusiasts
Track your mobile device or cellphone via internet using OpenGTS/GPRMC
Using PHP-CLI to parse NMEA data to generate depth maps with GD
Customization of OpenGTS look and feel
GT2 combines online and offline navigation for hikers and cyclists
a free and open map of wireless communicating objects
In-flight navigation (and more) for private pilots (Linux).