IconStore - Free icon packs by first-class designers
CSSBattle - Play against others in golf with your CSS skills
Fluent Icons by Icons8 - Colorful and stylish icons for your projects
Buttons Generator - 100+ buttons you can use in your project
Heroicons - Beautiful, free SVG icons from the makers of Tailwind CSS.
Transformicons - Animated icons, symbols and buttons using SVG and CSS