IconStore - Free icon packs by first-class designers
Iconjar - Store all your icons in one place, just a click away
Feather Icons - Simply beautiful open source icons
Icons8 - Free app for Mac & Windows already containing 39,800 icons. Allows to search and import icons…
Pixel Icons - 6,500 unique icons designed for perfection 🚀
MakeAppIcon - MakeAppIcon resizes and optimizes your icon designs into all formats needed for iOS and Android mobile app!