Lottie by Airbnb - Easily add high-quality animation to any native app
Spirit - The animation tool for the web.
CopyQ - CopyQ : Clipboard Manager with Advanced Features.
App Animations - Gallery of beautiful iOS animations to inspire your next app
GSAP - GSAP (GreenSock Animation Platform) is a suite of JavaScript tools for high-performance animations that work in all major browsers.
Haiku Animator - Create powerful animations for any app or website