Viking is a free/open source program to manage GPS data
GWC is a tile server and caching proxy written in Java
Bootable linux distro for Geospatial Applications
Navigational Algorithms - Marine navigation
Toolkit for working with and mapping geospatial data
GPS track editor for editing tracks and planning (multiple) day tours
Geographic feature extraction and data mining
An information system for cyclists in Berlin and Brandenburg
Open Source Desktop GIS with Surveying and Cartography Functionality
Showing The Amateur radio Repeaters Tool
Build your own GPS unit
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
utilities for cadastre system
A software package for quantitative analysis in Panbiogeography
Automated detection of the unknown early map projection
A Matlab software to estimate Euler pole parameters