Feather Icons - Simply beautiful open source icons
IconStore - Free icon packs by first-class designers
Eva Icons - 480 Open Source icons for common actions & items
Vivid JS - A highly customizable, open source SVG icons library
Streamline icons - The world’s largest icon pack library - 100k icons and illustrations.
Animated Icons from Icons8 - Massive collection of full-motion animated icons to make your project shine