IconArchive - Search through more than 735,000 free icons. Browse icons by category, artist, popularity, date. Organize and share your favorites.
Wallhaven - Your source for the best high quality wallpapers on the Net!
Icons8 - Free app for Mac & Windows already containing 39,800 icons. Allows to search and import icons…
InterfaceLIFT - High-resolution widescreen wallpapers, desktop icons, and themes for Mac OS X, Microsoft Windows...
IconPharm - IconPharm is a library of open source icons with recoloring and resizing tools.
Simple Desktops - A collection of wallpapers designed to make your computer beautiful without distraction.