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
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
Geographic feature extraction and data mining
Automated detection of the unknown early map projection
Open Source Desktop GIS with Surveying and Cartography Functionality
Handling and basic analysis of hyperspectral data in R
utilities for cadastre system
An information system for cyclists in Berlin and Brandenburg
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!