, DCMonkey wrote

*snip*

This doesn't exist as far as I'm aware.

All of Metro's XAML based witchcraft evolved out of Silverlight, although it's not branded as Silverlight to avoid confusing stuff.

The branding is WinRT .NET+XAML.

http://www.silverlightshow.net/news/SilverlightShow-Webinar-10-Things-Silverlight-Developers-Should-Know-About-Windows-8.aspx