Iconoir - A diverse and open-source library with 900+ icons
Unicons - Opensource vector icons and icon-font library
Heroicons - Beautiful, free SVG icons from the makers of Tailwind CSS.
IconStore - Free icon packs by first-class designers
Streamline icons - The world’s largest icon pack library - 100k icons and illustrations.
Flat Icons - 20,000 unique, customizable icons with free lifetime updates