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

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

Using color adjustment and filters, I've simulated the iOS spotlight animation. Learn how you can apply these filters at https://proto.io/en/new-features/adjustments-filters/

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

A project which simulates a collision between 2 objects. Freely drag the objects onto each other in order to have their core color change when colliding.

A demo showcasing custom device size, animations and key actions. Use arrow keys to switch between "Play" and "Settings", and X and Z keys to navigate.

An extended collection of fully animatable UI libraries like triangles, stars, arrows and more, let you bring your idea to life all within Proto.io.