OpenRocket
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Build Status - [ ![Build Status](https://travis-ci.org/openrocket/openrocket.png) ](https://travis-ci.org/openrocket/openrocket)
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Overview
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OpenRocket is a free, fully featured model rocket simulator that allows you to design and simulate your rockets before actually building and flying them.

The main features include:

* Six-degree-of-freedom flight simulation
* Automatic design optimization
* Realtime simulated altitude, velocity and acceleration display
* Staging and clustering support
* Cross-platform (Java-based)

Read more about it on the [OpenRocket Wiki](http://wiki.openrocket.info).

License
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OpenRocket is an Open Source project licensed under the [GNU GPL](http://openrocket.sourceforge.net/license.html). This means that the software is free to use for whatever purposes, and the source code is also available for studying and extending.

Contributing
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OpenRocket needs help to become even better. Implementing features, writing documentation and creating example designs are just a few ways of helping. If you are interested in helping make OpenRocket the best rocket simulator out there, please [click here for information on how to get involved!](http://openrocket.sourceforge.net/getinvolved.html)