OpenFlightNav
In-flight navigation (and more) for private pilots (Linux).
...A separate application (NavMapMaker) is available to create your own maps based on scanned or other digital maps. So, you may stop buying 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.