Animista - Create beautiful CSS animations in your browser
Web Gradients - Curated collection of 180 free fresh background gradients 🚀
Keyframes.app - A timeline editor for CSS animations
Mesh Gradients by ls.graphics - Free, handmade mesh gradients for your next project 🍭
CSS Animation Cheat Sheet - Awesome CSS3 plugin for spiffy animations
MeshGradient.in - Generate & customizse beautiful and colorful mesh gradients. Download Mesh Gradients & Export in PNG