Framer - 🔥 Design real websites right on the canvas.
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
MontageJS - MontageJS framework is a platform to develop and create single page applications (which load single HTML page and dynamically update the app as the user puts in inputs or requests or interacts with the page.) with ease.
Smartmockups - Create stunning product mockups, easily and online.
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
MockMagic - A free, easy-to-use device mockup generator