News Framework is an offline news reading framework on which any RSS based news website can have its own Windows Phone 7 application in just minutes.
News Framework is a tiny library (DLL) that you can use to build your own Windows Phone 7 application in few minutesif your site exposes RSS data.
The following video demonstrates a fully functioning unofficial Mashable app using this framework. You can use this as a template or build your own application.
The associated tutorial to build this app can be found here.
The offline news reading experience allows text-size adjustment, save for later, share, search, theme support, and other features. The framework is open-source and available on CodePlex.