150+ Free Illustrations & Animations - MIT Licensed to use for free in your next commercial project
Lottie by Airbnb - Easily add high-quality animation to any native app
CSS Wand - Easy copy-paste beautiful CSS animations
Spirit - The animation tool for the web.
CSS Animation Cheat Sheet - Awesome CSS3 plugin for spiffy animations
Haiku Animator - Create powerful animations for any app or website