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