Louvre Museum Online - Explore the entirety of the Louvre's collection for free
Design Principles - An open source repository of design principles and methods
Sketchfab Download - Download 3D files from British Museum, HTC, Microsoft & more
Product Disrupt - A design student's list of resources to learn Product Design
Mixergy - The YC Stories - How YC companies - Airbnb, Dropbox and more - Got Started
Colorbox.io - Create accessible color systems 🎨