Viking is a free/open source program to manage GPS data
Toolkit for working with and mapping geospatial data
Showing The Amateur radio Repeaters Tool
GWC is a tile server and caching proxy written in Java
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
An information system for cyclists in Berlin and Brandenburg
GPS track editor for editing tracks and planning (multiple) day tours
... the open-source glide computer
Navigational Algorithms - Marine navigation
My OSM projects in bus routings and 30 Districts reallocated
Automated detection of the unknown early map projection
Geographic feature extraction and data mining
A software package for quantitative analysis in Panbiogeography
A project on topography and weather comparison
Open Source Desktop GIS with Surveying and Cartography Functionality
A Matlab software to estimate Euler pole parameters
Build your own GPS unit