Animista - Create beautiful CSS animations in your browser
Looom - Looom is one of the best hand-drawn animation apps that makes it easy for anyone to create beautiful animations.
CSS Animation Cheat Sheet - Awesome CSS3 plugin for spiffy animations
d3D Sculptor - d3D Sculptor is the world’s most advanced digital sculpture tool.
Keyframes.app - A timeline editor for CSS animations
Stickman: Draw animation - Stickman: Draw animation is an animation editing tool that allows you to create your own animated movies in a few minutes.