Cross platform (lin/win/mac) geographical information system (GIS)
Accurately Locate Smartphones using Social Engineering
GeoServer repository
Toolkit for working with and mapping geospatial data
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!
a simple virtual world editor
A view abstraction to provide a map user interface
GeoData Web Editing [core SIG Web]
Multiplatform Ham Radio APRS and Mapping Program
LGPL GML parser
See you and your friends on a map
XNavigator is a Virtual Earth browser and viewer for http://osm-3d.org
A map-based discussion forum ("argumentation map")