FlightGear Flight Simulator or simply Flightgear is an amazing flight simulator that you can use if you want to know how to fly an aircraft. Even though it's tagged as a game, it's actually a program that doesn't contain any gameplay strategies. It's purely a flight simulator that will help you become familiar with flying almost any type of aircraft. The software runs on almost all types of platforms including Linux, Mac, BSDUNIX, Sun-OS and of course , Windows. It's the perfect software to relax to if you're tired of rolling in the ground and running for your life while playing various video games. FlightGear contains plenty of options when it comes to aircraft choice and more are still being developed.