Marionette Studio - Marionette Studio is an online animation software for beginners and professionals. Animate 2D characters and environments in minutes with no prior skills.
App Animations - Gallery of beautiful iOS animations to inspire your next app
Lottie by Airbnb - Easily add high-quality animation to any native app
Enlight Pixaloop - The animation app that lets you move still photos
CSS Animation Cheat Sheet - Awesome CSS3 plugin for spiffy animations
Animaticons - Beautiful, customizable animated GIF icons.