Windows 8

You can now develop native apps for Windows 8 tablets in JavaScript, HTML and CSS. Effectively your application is running in a chromeless version of Internet Explorer 10. Though Microsoft has created a whole new infrastructure and set of classes for developing applications in WinRT, you can get away with using very little WinJS-specific code if you desire.

To read more about using Durandal for Windows 8 apps, see this gist.