[chipt4]

Err, while it takes a little more technical know-how and some electronics experience, this already exists and is still extremely easy to do..

https://betaflight.com/

or

https://github.com/iNavFlight/inav

or

https://ardupilot.org/

among others

[snypher]

I hope they don't start asking questions about where the px4s are made!