DJI RoboMaster TT il drone Open Source - Ollo Blog
WIRED - Meet the world's smallest drone autopilot system. Best of all, its hardware and software is open source, meaning anyone can copy and use it — for free. http://bit.ly/1dQ4rnU | Facebook
Filodrammatica ViVa di Vigolo Vattaro
ArduPilot - Versatile, Trusted, Open
8 open source drone projects | Opensource.com
Open source drone controller has an FPGA-enhanced brain