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…
Customizable Blogily WordPress Theme - Create & Customize Your WordPress Blog
Craftwork - A collection of User Interface resources made by Craftwork
ICONZ - ICONZ is a premium icon library that offers more than 70 unique icons for all your products.
Iconscout - Design Resource Marketplace.