Anima App - Design, get feedback, convert to code, publish, iterate.
A.I. Experiments by Google - Explore machine learning by playing w/ pics, music, and more
Sketch Repo - Collection of resources for anyone who uses Sketch
Swift Playgrounds - Learn serious code on your iPad in a seriously fun way
Auto-Layout for Sketch - Responsive design for Sketch
Talk to Books by Google - Browse passages from books using experimental AI