A list of the 6 libraries in the architecture stm32f4.

ADCTouchSensor Create Touch Sensors with a single analog pin without external hardware
ChirpSDK Chirp SDK
MMA8653 Allows reading the MMA8653 accelerometer.
MobaTools Functions (steppers, servos, leds) for model railroaders( and for others too )
Servo Allows Arduino boards to control a variety of servo motors.
Taskrunner Allows arduino to run scheduler which can run functions at specific frequency