Facebook Design - Devices - Images and Sketch files of popular devices.
Mockup Generator - Create attractive product screenshots with just a few clicks
Design Cell - Beautiful multipurpose mockups for iOS
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Clay Mockups - Free set of beautiful device mockups for your designs
Looped Live Mockups - Bring life into your project with unique live mockups