3dicons 1440+ beautifully crafted open-source 3D icons. You can use completely free and without attribution for personal or commercial project.
Tabler Icons Over 1250 pixel-perfect icons for web design. Free and open source icons designed to make your website or app attractive, visually consistent and simply beautiful.
Phosphor Icons Phosphor is a flexible icon family for interfaces, diagrams, presentations — whatever, really
System UIcons A free icon set designed for systems and products. Use how you want, without attribution.
