Geographic library
GPS log file viewer and analyzer
Open source cross-platform Java Visual Traceroute
Bootable linux distro for Geospatial Applications
Toolkit for working with and mapping geospatial data
GWC is a tile server and caching proxy written in Java
Build your own GPS unit
An information system for cyclists in Berlin and Brandenburg
... the open-source glide computer
GPS track editor for editing tracks and planning (multiple) day tours
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
A Matlab software to estimate Euler pole parameters
Automated detection of the unknown early map projection
Open source system for GPS tracking devices
Set of Java interfaces for geospatial applications