openrocket/README.md
2023-02-02 01:31:53 +00:00

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OpenRocket
==========
![Build Status](https://github.com/openrocket/openrocket/actions/workflows/build.yml/badge.svg)
[![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
![GitHub release](https://img.shields.io/github/release/openrocket/openrocket.svg)
[![Github Releases (by release)](https://img.shields.io/github/downloads/openrocket/openrocket/latest/total.svg)](https://GitHub.com/openrocket/openrocket/releases/)
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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.
![Three-stage rocket - 2D](.github/OpenRocket_home_2D.png)
![Three-stage rocket - 3D](.github/OpenRocket_home_3D.png)
![Three-stage rocket - Simulation plot](.github/OpenRocket_sim.png)
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).
Installers
----------
OpenRocket maintains an installer for installing the software and Java runtime. You can find the installers on [our
website](https://openrocket.info/downloads.html).
Release Notes
-------------
Release notes are available on each [release's page](https://github.com/openrocket/openrocket/releases) or on [our website](https://openrocket.info/release_notes.html).
License
-------
OpenRocket is an Open Source project licensed under the [GNU GPL](https://www.gnu.org/licenses/gpl-3.0.en.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
------------
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) and [read the practicalities of contributing here](CONTRIBUTING.md).
**Contributors**
- Sampo Niskanen, main developer
- Doug Pedrick, support for RockSim designs, printing
- Kevin Ruland, Android version
- Bill Kuker, 3D visualization
- Richard Graham, geodetic computations
- Jason Blood, freeform fin set import
- Boris du Reau, internationalization
- Daniel Williams, pod support, maintainer
- Joe Pfeiffer (maintainer)
- Billy Olsen (maintainer)
- Sibo Van Gool (maintainer)
- Neil Weinstock (tester, icons, forum support)
- H. Craig Miller (tester)
**Translators**
- Tripoli France
- Tripoli Spain
- Stefan Lobas / ERIG
- Mauro Biasutti
- Sky Dart Team / Ruslan V. Uss
- Vladimir Beran
- Polish Rocketry Society / Łukasz & Alex Kazanski
- Sibo Van Gool
- Mohamed Amin Elkebsi