Animista - Create beautiful CSS animations in your browser
Animate.css - Animate.css is a cross-browser library of CSS animations.
Hover.css - A collection of CSS3 powered hover effects to be applied to links, buttons, logos, etc.
Anime.js - Lightweight JavaScript animation library
CSShake - Some CSS classes to move your DOM!
GSAP - GSAP (GreenSock Animation Platform) is a suite of JavaScript tools for high-performance animations that work in all major browsers.