Sketch Repo - Collection of resources for anyone who uses Sketch
shotsnapp - Create beautiful device mockup presentation
Auto-Layout for Sketch - Responsive design for Sketch
Device Shots - Generate high-resolution device mockups using a screenshot.
Symbols for Sketch - A set of templates to make an icon font with Sketch (gulp)
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.