Device Shots - Generate high-resolution device mockups using a screenshot.
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
AppLaunchpad - Create free beautiful screenshots for App store/Google play
shotsnapp - Create beautiful device mockup presentation
Screenspace - ScreenSpace empowers app companies to showcase their products with the power of 3D device videos.
App Screenshot Maker - Design marketing screenshots for your app in minutes