Geographic library
GPS log file viewer and analyzer
Open source cross-platform Java Visual Traceroute
Toolkit for working with and mapping geospatial data
Bootable linux distro for Geospatial Applications
GWC is a tile server and caching proxy written in Java
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
A Matlab software to estimate Euler pole parameters
Build your own GPS unit
Automated detection of the unknown early map projection
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
Open source system for GPS tracking devices
Set of Java interfaces for geospatial applications