Quick Link
https://superhivemarket.com/products/gravity-collider-physics-plugin?ref=356
Pricing
free
https://blendermarket.com/products/gravity-collider-physics-plugin?ref=356
https://minieval.gumroad.com/l/neARD
https://github.com/MiniEval/Bone-Physics
Tuts
https://www.youtube.com/watch?v=uV5DE0CkUow
https://www.youtube.com/watch?v=8rlhOAh5CiU
https://www.youtube.com/watch?v=DY9i0HolVmI