Icons8 - Free app for Mac & Windows already containing 39,800 icons. Allows to search and import icons…
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Iconscout - Design Resource Marketplace.
lstore.graphic - Mockup Scene Creator
Craftwork - A collection of User Interface resources made by Craftwork
Flatlogic - Business Software: AI-Driven Solutions at Speed.