Cross platform (lin/win/mac) geographical information system (GIS)
Open Source Routing Machine - C++ backend
Minimalistic wide-open GPS-locator/tracker
A GUI for the freeware Geographical Information System PCRaster
Google Earth Enterprise - Open Source
Q-Rap (www.QRap.org.za) is a Radio Network Planning plug-in for QGIS
SVG Based WWW Mapping Module Patch for WebKit
GPSBabel converts and transfers data like waypoints, tracks & routes.
NOTE: Use Fltk_Contour insted this code!