Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Flinto - The prototyping tool designers have been waiting for.
Mockup Generator - Create attractive product screenshots with just a few clicks
Base UI Sketch Framework - Huge set of everything you need to design and prototype
shotsnapp - Create beautiful device mockup presentation
Glyphy - Copy & paste fancy fonts + cool symbols ☞✺✐™