Proto.io comes with UI libraries for iOS, Android Material Design, Windows and Apple WatchOS so that people can easily drag and drop those elements to bring their ideas to life. Simple interactions can also be applied, primarily screen-linking and basic navigation.

This image uploading animation simulates dragging and dropping a file into a predefined area using Variables. *Credits to Jokūbas as this is a replicate of his animation https://dribbble.com/shots/1413804-Image-Uploading-Animation

Ontwerp Soraya en Marielle

Done to explore setting colors with sliders and some Math expressions. Additional features, should anyone wish to build, would be to convert to HSV space, and to produce Hex color codes as well. To use colors, in the color controls of an element, replace the #XXXXXX hex code with this: rgb(255,125,45). Two swatches are provided, since color combinations are more interesting than single colors. Swatches are draggable.

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