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jsbsim

An open source flight dynamics & control software library

by JSBSim-Team · GitHub
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aerospace-engineeringaircraftaircraft-controlLGPL-2.1C++
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In plain words

Simulate and study the physics of aircraft and rockets using a flight dynamics software library.

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2 1562 155
2026-07-202026-08-31
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📄 About

An open source flight dynamics & control software library

jsbsim has 2.2k stars on GitHub. It has been forked 586 times. jsbsim is written mainly in C++. It has been in active development since 2017. jsbsim is available under the LGPL-2.1 license. Its main topics are aerospace-engineering, aircraft, aircraft-control, aircraft-design.

Frequently asked questions

What is jsbsim?

An open source flight dynamics & control software library

Is jsbsim open source?

jsbsim is an open-source project. It is released under the LGPL-2.1 license.

Is jsbsim free?

Yes. jsbsim is free and open source — you can use, modify and self-host it. Its LGPL-2.1 license is copyleft: if you distribute a modified version, it must remain under the same license.

What license does jsbsim use?

jsbsim is available under the LGPL-2.1 license.

What language is jsbsim written in?

jsbsim is written mainly in C++.

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