Keyframes.app - A timeline editor for CSS animations
Lottie by Airbnb - Easily add high-quality animation to any native app
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.
Marionette Studio - Marionette Studio is an online animation software for beginners and professionals. Animate 2D characters and environments in minutes with no prior skills.
Animista - Create beautiful CSS animations in your browser
Spirit - The animation tool for the web.