A compilation of those few drones to which you can install a firmware based on open source. Whether you’re new to quadcopters and looking for something you can put an alternative firmware to play around with or an aspiring drone programmer looking for a developer platform, cheap quadcopters are a great way to start familiarizing with open source in aerial vehicles.
Microsciky 32 board lightweight built-in brushed ESC, DSM2 and open-source Cleanflight support.Read more "Micro Scisky: The 32bits Open Source Brushed Flight Controller"
How to control almost any toy quadcopter with a $5 nRF24L01 module and DeviationTX firmware.Read more "DeviationTX with NRF24L01 module, the universal drone remote control."
FPV 105 micro quadcopter. Full open source hw/sw 3d printed frame from Thingiverse.Read more "3D Printing an Opensource SW/HW 105 FPV quadcopter"
The Cheerson CX-10 is one of the best known micro drones, now FPV version is available making it the world smallest FPV drone.Read more "Review & Teardown: CX-10W the world smallest FPV drone."
Deviation is a replacement firmware designed primarily for the Walkera Devo series RC Transmitters.You can turn your affordable Devo transmitter into a power house that supports multiple protocols and add new features.Read more "Deviation: The Open Source Swiss Army knife RC Transmitter Firmware."