Grease Pencil is a feature inside Blender that allows you to animate in 2D while taking advantage of a full 3D suite of features. Definitely one of the best pieces of software that blends the two together so seamlessly (and free!)
Game Anim is a book by Jonathan Cooper (Naughty Dog) that de-mystifies the animation side of game development, explaining every step of the process while providing valuable insights and work philosophies
Rough Animator is a fully featured hand drawn animation application that runs on Android, iOS, Mac OS, and Windows. Currently available for $4.99
Animation Exchange happened again! Hosted by a bunch of awesome animators and streamed live from the Twitch office, don’t miss another great stream full of tips and tricks from professional animators across the world.
Darkstalkers – 12 Principles is an article that explains the 12 principles of animation through the pixel animation of Darkstalkers
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.
Riot Creative Contest 2017 is a competition by Riot Games and hosted by Polycount that artists, animators and other disciplines can enter. Expect killer prizes, amazing art, and stiff competition.
Acting For Animators is an essential book for animators written by Ed Hooks and is the first book about acting theory that is written specifically for animators