Shards: A modern UI toolkit based on Bootstrap 4
Shards is a free design system based on Bootstrap 4 framework which includes responsive components and icons from both Material and Font Awesome.
Free Sketch App Resources
Free iOS 11 UI kit for Photoshop & Sketch
A massive iOS UI kit released by Apply Pixels including a bunch of useful screens and common interface elements, controls, shapes, containers and icons.
iPhone & iPad vector mockups
A free set of iPhone and iPad vector mockups in flat style for wireframing and UI presentation released by KK UI Store.
Vera Block: A huge set of UI components and app screens
Vera Block is a massive freebie made of 100+ UI components and 140+ mobile screens for Sketch and Photoshop to speed up your mobile design workflow.
Symbols & Styleguides: A template for Sketch
Symbols & Styleguides is a super-useful Sketch template designed and released by Jan Losert that you can use as a starting point for every UI design.
iPhone X & iPhone 8: Early free mockups
An early collection of free iPhone X and iPhone 8 mockups in PSD, Sketch, Ai and Xd file formats.
Travelisto: Free UI kit for travel apps
Travelisto is a free UI kit based for Sketch designed by Robert Anitei for creating professional travel iOS app prototypes in minutes.
Br: Free Sketch ecommerce / blog template
Br is a free fashion design template built with Sketch by Michael, UI Designer from London, made of 4 sample pages.
Exclusive
The Siren: One-page blog/magazine design concept
The Siren is a clean and modern one-page Sketch template ideal for getting started with a blog/magazine design concept.
Free set of 12 photo icons for Sketch
A small but useful set of 12 vector photo icons for Sketch representing the essential camera symbols.