OpenRocket is a free, fully featured model rocket simulator that allows you to design and simulate your rockets before actually building and flying them.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Android
- Android Tablet




SpaceCAD is described as 'Gives you the power to design and build reliable model rockets. You can assemble your rocket from a vast library of stock elements including nose cones, tubes, transitions, launch lugs, rings, and fins' and is a flight simulator in the games category. There are 2 games similar to SpaceCAD for a variety of platforms, including Mac, Windows, Linux, Android and Android Tablet apps. The best SpaceCAD alternative is OpenRocket, which is both free and Open Source.
OpenRocket is a free, fully featured model rocket simulator that allows you to design and simulate your rockets before actually building and flying them.




RockSim is a computer program that allows you to design any size rocket, and then simulate its flight to see how high, and how fast it will fly. Even before you start building your creation, you'll find out if it is stable and safe to launch.



