Universal Animation Library is a kit of 120+ animations, created using a universal humanoid rig, which is compatible with Unreal Engine
Universal Animation Library
Directing Game Animation (Book)
Directing Game Animation is a book by Mike Jungbluth that focuses on the overlap between creative and project leadership in animation
M-Rigs
M-Rigs are a set of stylized character rigs for Maya by Ramon Arango that can be purchased individually or as a bundle. Check them out on his Gumroad page.
Built By Colossus Rigs
Built By Colossus Rigs are free and paid Maya rigs available for download. Founded and run by Roman Jeffery.
Aaron McGriff – Coaching
Aaron McGriff has been animating professionally for over 12 years and is now offering coaching, reel reviews and other services available in various packages.
GreenScreen Animals
GreenScreen Animals is an extensive library of domestic and exotic animals video footage in high definition.
Akeytsu
Akeytsu is a piece of 3D animation software and is a lighter, faster and cheaper alternative to Maya. It also has a free educational version.
Animator's Resource Kit 