Fluent UI
A collection of UX frameworks for creating beautiful, cross-platform apps that share code, design, and interaction behavior.
Fluent Design System
Fluent brings the fundamentals of principled design, innovation in technology, and customer needs together as one. It’s a collective approach to creating simplicity and coherence through a shared, open design system across platforms.
Designing the New Office App for Mobile
Useful Segoe UI Symbols
… compiled list of symbols that can be used to copy Windows 8’s style:
Developing Windows 8 – Using AppBarCommand Icons outside the AppBar « Matt Duffield
One of the things I really like about developing Windows 8 applications is the ability to use the built in icons provided by the Segoe UI Symbol font.
Windows 8 Metro apps – a lot of icons are available out of the box ! | Jonathan ANTOINE's thoughts on WPF, Silverlight, WinRT, NUI...
Windows 8 AppBarIcons enumerated and visualized
Download: http://www.flickr.com/photos/adamkinney/6952800759/
Designing UX for apps