Lupin House is a website that offers animation mentorships, courses and rigs. Check out their free rigs HERE
Lupin House
Hank The Ceptopus Rig
Hank The Ceptopus is a free Blender rig based on the Hank character from Pixar’s Finding Dory. Rigged by Mattias Lind
Guardian Rig
Guardian Rig is a free Maya rig created by Robbie Reid, perfect for testing body mechanics and attack combos
Mecha-Mechs Rigs
Mecha-Mechs Rigs are a free sample of a larger set of Maya rigs from fRigging Awesome Studios
She-Hulk Rig
She-Hulk Rig is a free Maya rig made by @CromaCore_. Download it from his Gumroad page!
Kratos Rig
Kratos Rig is a free Maya rig made by @CromaCore_. Download it from his Gumroad page!
ProRigs
ProRigs are Maya rigs developed by talented artists from animation studios such as Disney, Dreamworks, Pixar and Sony. Available on a subscription model which gets you access to over 40 rigs.
Ystra – Astral Witch
Ystra – Astral Witch is a free Maya rig by Christoph Schoch based on the concept by Alexis Pflaum. Download it HERE
Animation Methods
Animation Methods is a website hosted by animator David Rodriquez and has links to hundreds of rigs, tools and tutorials.
Animator's Resource Kit 