Atro is a beautiful mobile UI kit that includes 12 ready-made screens you can start from for building your own app.
Freebies tagged ui
The new Pages UI Web Kit released by Marc Thomas McEwan now includes 20 ready-made page designs built in Sketch.
Pages UI Web Kit (2019 update)
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Tourex is a free flight booking app design template designed in Sketch and Adobe Xd and released by Nasir Uddin.
Tourex: Flight booking app design template
Modular is a free Android UI kit released by the design team at Framer. This kit features everything you need to design your next project for Android and create your own unique user flows.
Modular: A free Android UI kit for Framer
A free Slack UI kit for iPhone released by Kevin Lanceplaine. It is basically a redesign concept that tries to solve some of the UX pain points.
Slack iPhone UI redesign concept
Planguru is a free UI Kit for Sketch and Photoshop that you can use to get started with an event or planning app.
Planguru: Free UI kit for event and planning apps
H1 is a colorful mobile UI kit available in PSD and Sketch file formats which includes 130 screen templates, more than 470 UI elements and covers 10 categories.
H1: A colorful mobile UI kit
A free iPhone X UI kit for Sketch based on iOS11 provided in both light and dark versions. Built and released by Design+Code.
iOS 11 UI kit for iPhone X
A free iOS11 UI kit for Origami, Sketch and Photoshop providing all you need to get started with a new iPhone app (wallpapers included) brought yo you by the designer team at Facebook.
Facebook iOS 11 iPhone UI kit
Elements is a totally free UI kit released by the designer team at Sketch including 35 screens, 45 icons and 175 symbols.
