Heroicons - Beautiful, free SVG icons from the makers of Tailwind CSS.
Streamline icons - The world’s largest icon pack library - 100k icons and illustrations.
Animaticons - Beautiful, customizable animated GIF icons.
Round Icons - 34,000 Premium icons, the largest icons bundle online
Fluent Icons by Icons8 - Colorful and stylish icons for your projects
Design Gradients - A free website for anyone looking for beautiful gradients for any project, curated by designers.