Discipline. - a macOS Big Sur icon pack with 100+ icons
Heroicons - Beautiful, free SVG icons from the makers of Tailwind CSS.
macOS Big Sur icons - Original icons in PNG ready for download
Animaticons - Beautiful, customizable animated GIF icons.
Icons8 Apps - 1M+ professional icons, illustrations, and photos for web, Mac, Windows, and Linux
Fluent Icons by Icons8 - Colorful and stylish icons for your projects