Animated Designs by Crello - Free animated design templates to revive your projects
Lottie by Airbnb - Easily add high-quality animation to any native app
Marionette Studio - Marionette Studio is an online animation software for beginners and professionals. Animate 2D characters and environments in minutes with no prior skills.
Spirit - The animation tool for the web.
Proximity School of Design - Design school & design pattern library
CSS Animation Cheat Sheet - Awesome CSS3 plugin for spiffy animations