Founded in 1997, FlightGear is developed by a worldwide group of volunteers, brought together by a shared ambition to create the most realistic flight simulator possible that is free to use, modify and distribute. FlightGear is used all over the world by desktop flight simulator enthusiasts, for research in universities and for interactive exhibits in museums.
FliteTutor is currently merely a concept for an interactive training enhancement to the free flight simulator FlightGear, the purpose will be to provide basic tutorials within FlightGear about its general usage and also specific topics. (check homepage)