Puppetshop

Puppetshop is a Rigging and Animation plugin for 3dsmax 8 (or higher).

It offers a unique blend of easy to use animator tools, while keeping the 'backdoor' open for technical directors.

Rig unlimited number of Spines, Arms, Legs, Necks, Custom Bone Chains in no time.

All creatures, human (biped) or otherwise are handled the exact same way and Puppetshop is tightly integrated into 3dsmax.