Guardian Rig is a free Maya rig created by Robbie Reid, perfect for testing body mechanics and attack combos
Guardian Rig
Sticky Mod
Sticky Mod is a free deformation tool made by fRigging Awesome studio that allows you to easily move the geometry of a model. Very useful for polishing animations.
Animator Airtable
Animator Airtable is a great place for finding animation resources that utilizes airtable’s spreadsheet features like filtering, grouping, sorting.. etc. Created by Maria Robertson.
Studio Binder (12 Principles)
Studio Binder is a YouTube channel that focuses on filmmaking and in this episode they cover the 12 principles of animation
Deja View
Deja View is a blog by Andreas Deja that showcases a lot of his own work as well as other inspiring animation development posts from the Disney archives
Toniko Pantoja
Toniko Pantoja has a great YouTube channel that has insights into his own work as well as best practices and animation tutorials
Mecha-Mechs Rigs
Mecha-Mechs Rigs are a free sample of a larger set of Maya rigs from fRigging Awesome Studios
IK/FK Switcher
IK/FK Switcher is a free Maya tool that allows you to build a temporary IK/FK setup on top of your original controls, while preserving animation.
Metahuman Animator
Metahuman Animator is Unreal Engine’s solution for quickly capturing facial performances using only an iPhone and PC and is available now.
Animator's Resource Kit 