ESC
SimonK
Simon Kirby develops an alternative firmware for ATmega based brushless motor controller, written in assembly.
This software will use the maximum capabilities of the hardware.
Faster response, acceptes higher input PWM, higher output PWM, perfect for multicopter.
tgy git repository.
Open BLDC
Open hardware / open software brushless controller project.
From small low cost up to 200A continous hardware, but currenty unter development.