Shopping cart using variables to calculate selected item amount, and total costs using variables. Project also includes a thumbnail gallery

Used variables to change filters on an image

The project contains numerous examples completed using variables and conditional logic.

A demo showcasing Windows 8 components.

An as close as possible copy of the IFTTT onboarding experience. This prototype is also made in 4 other tools (Pixate, Origami, Framer & Form) to compare the differences between them. More info: http://medium.com/sketch-app-sources/five-app-prototyping-tools-compared-form-framer-origami-pixate-proto-io-c2acc9062c61 Original app: http://appstore.com/IFbyIFTTT

A beautifully animated Slide in Menu created exclusively with Proto.io. Feel free to import this fully editable project into your own account for use in your prototypes.

A basic animation created by using the Proto.io HTML Component with HTML and CSS. No additional images were needed to be imported to create this animation. The HTML and CSS used was found at: http://codepen.io/ajerez/pen/EaEEOW

An example of a date picker that can be imported and used in your project. (Basic use of variables) tags: calendar, picker, date picker

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

Here is an example of a scrollable data table with vertical and horizontal scroll and a fixed header. Data design: https://www.sketchappsources.com/free-source/3706-datatable-with-horizontal-scroll-sketch-freebie-resource.html