Cross platform (lin/win/mac) geographical information system (GIS)
Large-scale WebGL-powered geospatial data visualization analysis
Ultra Fast Geospatial Database & Geofencing Server
Open source cross-platform Java Visual Traceroute
Bootable linux distro for Geospatial Applications
Minimalistic wide-open GPS-locator/tracker
Open Source Desktop GIS with Surveying and Cartography Functionality
A software package for quantitative analysis in Panbiogeography
A C library for parsing/normalizing street addresses around the world
Analysis and display of Census, business, government attribute data
A library to generate short codes
Automated detection of the unknown early map projection
A reference implementation of the Polish geobotanical grid
a space-time interpolation geostatistical tool
GeoData Web Editing [core SIG Web]
GT2 combines online and offline navigation for hikers and cyclists
a free and open map of wireless communicating objects
A free library for fast clipping of arbitrary polygons