Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
A library that provide the following cross platform features: -Direct bind of the events (in your views) to the methods or commands (in your view models) in your XAML code -Creating a preview of your view model at design time -Easy way of creating commands in your view models.