Framer Motion - A truly simple production-ready React animation library
Lottie by Airbnb - Easily add high-quality animation to any native app
React Move - Beautiful, data-driven animations for React
Marionette Studio - Marionette Studio is an online animation software for beginners and professionals. Animate 2D characters and environments in minutes with no prior skills.
React Transition Group - React Transition Group exposes transition stages, manages classes and group elements and manipulates the DOM in useful ways, making the implementation of actual visual transitions much easier.
Spirit - The animation tool for the web.