Call the Doctor Illustration Constructor - Healthcare related vector illustrations for digital projects
Feather Icons - Simply beautiful open source icons
3dicons - 3dicons library offers beautifully designed open-source 3D icons.
Icons8 - Free app for Mac & Windows already containing 39,800 icons. Allows to search and import icons…
IconStore - Free icon packs by first-class designers
Iconscout - Design Resource Marketplace.