Interactive, thoroughly customizable maps in the browser
Geographic library
Minimalistic wide-open GPS-locator/tracker
Braille & ASCII world map renderer for your console
Geodesy based library (geodetic and geocentric functions)
See your friends from VKontakte on the map
A reference implementation of the Polish geobotanical grid
A gui for linux users of miniHomer, a GPS tracker
SVG Based WWW Mapping Module Patch for WebKit