Icons8 - Free app for Mac & Windows already containing 39,800 icons. Allows to search and import icons…
Mockup Generator - Create attractive product screenshots with just a few clicks
Iconscout - Design Resource Marketplace.
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Craftwork - A collection of User Interface resources made by Craftwork
Mockup Photos - Start your own mockup shop with ease or download mockups now