Feather Icons - Simply beautiful open source icons
IconStore - Free icon packs by first-class designers
Icons8 - Free app for Mac & Windows already containing 39,800 icons. Allows to search and import icons…
Iconoir - A diverse and open-source library with 900+ icons
Picons Thin Iconset - 1050 icons optimized for iOS & Android. PSD AI CSH SVG files
Iconscout - Design Resource Marketplace.