I used the Sketch "Delicious" free UI Kit for a food recipes app. It includes 11 pixel-perfect screens. I just added Proto.io interactions and created a great prototype! This Delicious UI Kit was designed by Robert Anitei Sketch source: https://www.sketchappsources.com/free-source/1765-delicious-ui-kit-sketch-freebie-resource.html

Movies & Series App project Design Credits: https://www.sketchappsources.com/free-source/2896-sample-iphone-x-movies-app-sketch-freebie-resource.html

Prototipo - Parqueos

freshsabziwala

A 3D Interactive Walkthrough of a space using the Proto.io VR Component. Using gaze click interactions you can transition from one 360° scene to another. Import this fully editable project into your Proto.io account to create your own 3D interactive walkthrough.

A Netflix Redesign using Sketch Source: https://www.sketchappsources.com/free-source/2794-netflix-desktop-app-sketch-freebie-resource.html

High Fidelity Prototype for mobiles

An animation of our Solar System

Sliding menu with animation on screen