OpenFlightNav
In-flight navigation (and more) for private pilots (Linux).
... expensive digital maps.
First release will be for the new state of the art Jolla mobile phone (http://www.linkedin.com/company/2649185) at the beginning of 2013.
At that time NavMapMaker will also be released for Linux, WinXP, Win7 (32/64 bits).
2. Framework to develop navigation applications. Build upon PilotNavigator to create your own navigation system.