Cross platform (lin/win/mac) geographical information system (GIS)
GeoServer repository
Large-scale WebGL-powered geospatial data visualization analysis
GWC is a tile server and caching proxy written in Java
Toolkit for working with and mapping geospatial data
An information system for cyclists in Berlin and Brandenburg
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
Open source system for GPS tracking devices
PCRaster environmental modeling software
GeoData Web Editing [core SIG Web]
Application for managing land searches for missing persons.
Web Mapping Platform
Multiplatform Ham Radio APRS and Mapping Program