Lottie by Airbnb - Easily add high-quality animation to any native app
Google Open Source - All of Googles open source projects under a single umbrella
Marionette Studio - Marionette Studio is an online animation software for beginners and professionals. Animate 2D characters and environments in minutes with no prior skills.
SmallDevTools - Handy developer tools with a delightful interface
Spirit - The animation tool for the web.
whatdevsneed - This is whatdevsneed.