Squirrel Rig (ball like, with tail:) (more)
An Animation Student's Best Friend (more)
Free Leopard Rig made by Truong (more)
A free version of the Rapid Rig for Maya (more)
Ultimate Bony is ready to animate body mechanics exercises. (more)
A generic maya full body IK free rig (more)
*Note: This is a downloadable item, not a physical product!