> For the complete documentation index, see [llms.txt](https://theiotlearninginitiative.gitbook.io/bitol/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://theiotlearninginitiative.gitbook.io/bitol/hybrid-drone-solution/flight-code/px4.md).

# PX4

The Professional Autopilot

> PX4 powers any vehicle from racing and cargo drones through to ground vehicles. The powerful and uniquely flexible core of the Dronecode Platform is open-source, and available for you to use and customise as needed. [Homepage](http://px4.io/)
>
> PX4 is used in a wide range of use-cases, from consumer drones to industrial applications. It is also the leading research platform for drones and has been successfully applied to under water vehicles and boats.