This is an example of a sign in screen that validates a username and a password. Feel free to import this fully editable project into your own account for use in your prototypes. Use the following to successfully sign in and proceed to the next screen User Name: john Password: proto.io

A simulation of a shopping cart project. Add remove products to a pre-set shopping cart (Use of variables and States)

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.

A Sign up - Sign in page example project using Variables and States to validate the correct user input in both pages.

Hi I tried imitating the Trello's interaction to move tiles/cards between different lists.

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

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

Tinder UI cards

Hi there! I would like to share with you the latest version of Spotify prototype. Now you can listen to music while browsing the prototype.

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