Facebook Design - Devices - Images and Sketch files of popular devices.
Frame - Easily create reallife product shot mockups.
Design Cell - Beautiful multipurpose mockups for iOS
Photobook Photo Editor - Photobook Photo Editor is an editing application used to create multiple images with cool HD frames, dual-frame collage, adding text, and many others effects.
Clay Mockups - Free set of beautiful device mockups for your designs
HD Photo Frames - HD Photo Frames is an eye-catching and collage photo-based application that provides luxury photo frames with a simple interface and high definition productivity.