The Animation Streamers List was compiled by David J Pumpa and features a bunch of great animation streamers on Twitch.
New Frame Plus
New Frame Plus is a Youtube channel dedicated to analyzing video game animation hosted by Daniel Floyd
Storyboarder
Storyboarder is a free open-source piece of storyboarding software that makes it easy to visualize a story as fast you can draw stick figures.
The Fighters Generation
The Fighters Generation is a world renowned character database… featuring just about every fighting game character in existence. It boasts an unparalleled collection of the best quality artwork, pictures & animations!
Newgrounds
Newgrounds is a popular website for posting animations, games and audio and has been around for over 20 years. Founded by Tom Fulp (also founder of The Behemoth [game developer])
Source Filmmaker (FREE)
Source Filmmaker is a free movie-making tool built and used by Valve to make movies inside the Source game engine. It is a full package and can be used to make cinematics using Valve models and environments.
Animator Island
Animator Island is a treasure trove of animation secrets, techniques, tips, and information on your quest to become a Master Animator