## PX4 Aerial Middleware and Flight Control Stack ##

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*   Official Website: http://px4.io
*   License: BSD 3-clause (see LICENSE.md)
*   Supported airframes:
  * [Multicopters](http://px4.io/platforms/multicopters/start)
  * [Fixed wing](http://px4.io/platforms/planes/start)
  * [VTOL](http://px4.io/platforms/vtol/start)
*   Binaries (always up-to-date from master):
  * [Downloads](https://pixhawk.org/downloads)
*   Mailing list: [Google Groups](http://groups.google.com/group/px4users)