Cross platform (lin/win/mac) geographical information system (GIS)
Open source cross-platform Java Visual Traceroute
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!
a simple virtual world editor
Google Earth Enterprise - Open Source
Interactive visualization of plate tectonics.
eGPXviewer is a 3D GPX track viewer
Braille & ASCII world map renderer for your console
Flights, vessels, satellites and trackers realtime 2D/3D display
Open Source Marine Chart Plotting Program
LGPL GML parser
Interactive OpenGL map projection and navigation with geodetic utils.
Moved to new location: http://octomap.github.com/
XNavigator is a Virtual Earth browser and viewer for http://osm-3d.org