Spirit - The animation tool for the web.
Jitter - A simple animation tool on the web
Marionette Studio - Marionette Studio is an online animation software for beginners and professionals. Animate 2D characters and environments in minutes with no prior skills.
Motion One - Motion One is a new animation library by the creator of Framer Motion and Popmotion.
Lottie by Airbnb - Easily add high-quality animation to any native app
Artboard Studio - Online graphic design app mainly focused on product mockups.