IconStore - Free icon packs by first-class designers
CSSViewer - A simple CSS property viewer
Fluent Icons by Icons8 - Colorful and stylish icons for your projects
CSS Animation Cheat Sheet - Awesome CSS3 plugin for spiffy animations
Heroicons - Beautiful, free SVG icons from the makers of Tailwind CSS.
Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.