Storyboard That - Storyboard That is the world's best online storyboard creator.

Design Principles - An open source repository of design principles and methods

Microsoft Cortana - Microsoft Cortana – Digital Assistant app brings a smart assistant to your smartphone to help keep track of the important stuff, introduced by Microsoft.

Facebook Design Resources - A collection of free resources made by designers at Facebook

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Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.