FlightGear is a free, open-source, GPL-licensed flight simulator available for Windows, macOS, and Linux. It has been developed in collaboration with a large group of international volunteers for over two decades.
Aside from being used by thousands of flight simulator enthusiasts, FlightGear has been utilized by researchers from over 40 universities and academic institutions worldwide, as well as organizations like NASA and DARPA. It is also used in several FAA-approved flight simulators.
- Free, open-source, and cross-platform
- Global scenery (fly anywhere on Earth)
- Spaceflight
- Complex weather modeling
- Online multiplayer and VATSIM support
Releases of FlightGear can be downloaded from our website.
⚠️ Note! FlightGear is undergoing a major revamp of its documentation to improve the quality of information, consolidate content into a single location, and provide it in a modern and easily accessible format built with contemporary tools.This updated documentation will include information on building FlightGear from source as well as contributing to the project.
In the meantime, the
docs-mini/directory, the FlightGear Wiki, and the FlightGear Manual can be used. However, they should be cross-referenced for outdated or inaccurate information.
FlightGear is licensed under the GNU GPL. For more information, see the license.
To get in touch, you can use the GitLab issue tracker. There is also a developer mailing list.