Cross platform (lin/win/mac) geographical information system (GIS)
GeoServer repository
An open source geocoder for openstreetmap data
Large-scale WebGL-powered geospatial data visualization analysis
Geographic library
Viking is a free/open source program to manage GPS data
Toolkit for working with and mapping geospatial data
GPS track editor for editing tracks and planning (multiple) day tours
GWC is a tile server and caching proxy written in Java
Open Source Desktop GIS with Surveying and Cartography Functionality
Handling and basic analysis of hyperspectral data in R
Geographic feature extraction and data mining
An information system for cyclists in Berlin and Brandenburg
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
Automated detection of the unknown early map projection
utilities for cadastre system