Cross platform (lin/win/mac) geographical information system (GIS)
Interactive, thoroughly customizable maps in the browser
Geographic library
Viking is a free/open source program to manage GPS data
An information system for cyclists in Berlin and Brandenburg
Toolkit for working with and mapping geospatial data
GWC is a tile server and caching proxy written in Java
Geographic feature extraction and data mining
French Geographic Information System
Automated detection of the unknown early map projection
Open Source Desktop GIS with Surveying and Cartography Functionality
Free software for maps
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!
Open source system for GPS tracking devices
A GUI for the freeware Geographical Information System PCRaster
Display people's or device transit routes based on latitude and longit
Plugins for OpenCPN
Analysis and display of Census, business, government attribute data
National Responsibility Assessment for Endangered Species/Habitatats
Interactive visualization of plate tectonics.