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

Infinite snap carousel for Credit Card Statements. Cards designs were used from Sketch from: https://www.sketchappsources.com/free-source/2453-credit-card-designs-sketch-freebie-resource.html

A halloween project i have put together using the Proto.io Halloween icon set: https://proto.io/freebies/free-halloween-icons/

Music App project Design Credits: https://www.sketchappsources.com/free-source/2847-apple-music-app-sketch-freebie-resource.html

Travel app (Part 1) Work in progress of Travel project Credits: https://www.sketchappsources.com/free-source/2947-travel-app-ui-kit-sketch-freebie-resource.html

Change of the header according to scroll position of content.

The Flipboard animation created using states.