Joysticks 'n Sliders
Joysticks ‘n Sliders is a pose-based rigging system for After Effects. It tackles repetitive and pain-staking tasks out of character animations. For characters animation, Joysticks ‘n Sliders can be used to create repetitive motion like a person walking or a bird flapping its wings.
Official Website:
https://aescripts.com/joysticks-n-sliders/