Epic Games has acquired this product from Power Animated.

Power IK is a full-body IK solver that lets animators push and pull any skeleton with any number of effectors.

Use Power IK to easily align creatures to uneven terrain, or dynamically modify their pose at run-time. Power IK is a robust and efficient solver that produces remarkably natural poses even under extreme circumstances.

Documentation: https://poweranimated.github.io/

Trailer: https://youtu.be/qfQ_B3gt36c

Discord: https://discord.gg/5WMN2BUw2t

Ground Alignment Tutorial: https://youtu.be/g1FgBDIA2zA