Viking is a free/open source program to manage GPS data
GPS navigation software for Windows Mobile & WinCE devices.
GPS track editor for editing tracks and planning (multiple) day tours
A Matlab software to estimate Euler pole parameters
A simple GPS alarm!
NMEA 0183 library for Java
Tool to work on map data, to check the data and generate your own maps
Plugins for OpenCPN
GPS mapping and management software
Whitestone Interactive GPS Software for .Net
Software para chequeo previo de bases topográficas
compeo++ - Manage Flytec/ Bräuniger Instruments