CSS Animation Cheat Sheet - Awesome CSS3 plugin for spiffy animations
Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.
AniCollection - The easiest way to find, use and share CSS3 animations.
Epic Spinners - Easy to use css loading animations with vue.js integration
CSS Wand - Easy copy-paste beautiful CSS animations
Animista - Create beautiful CSS animations in your browser