Animate.css - Animate.css is a cross-browser library of CSS animations.
Animo.js - Animo.js is a lightweight, open-source tool that enables developers to manipulate animations and transitions.
Animista - Create beautiful CSS animations in your browser
Magic Animations CSS3 - CSS3 Animations with special effects.
Hover.css - A collection of CSS3 powered hover effects to be applied to links, buttons, logos, etc.
Ceaser - Ceaser is a handy CSS Easing Animation tool for creating any ease imaginable.