Top 20 NuGet Silverlight Packages

The Okra App Framework is an app centric MVVM framework. This package contains only the core assembly.
The Okra App Framework is an app centric MVVM framework. This package is designed for use with MEF.
Simple Windows Phone 7 toolkit
MVVM FX is a base framework for building applications using the Model-View-ViewModel pattern. It includes Data binding, Command binding and DependencyObject/DependencyProperty for Visual WebGUI. NOTE - This package will fail to install unless Visual WebGUI for Framework .NET 4.0 is installed.
MVVM FX is a base framework for building applications using the Model-View-ViewModel pattern. It includes Data binding, Command binding and DependencyObject/DependencyProperty for Windows Forms.
Simple Windows RT MVVM toolkit
MVVM for Windows 8
BellaCode.Mvvm is a lightweight library for following the Model-View-ViewModel (M-V-VM) pattern.
Integrates NLog into Caliburn.Micro.
Provides an Autofac enabled bootstrapper for Caliburn.Micro.
NemerleWeb framework
Provides ReactiveUI versions of Caliburn.Micro classes.
MvvmQuickCross is a lightweight (no binaries) cross-platform MVVM pattern to quickly build native Xamarin.iOS, Xamarin.Android, Windows Phone and Windows Store Apps with shared C# code. MvvmQuickCross provides data binding for Android (and for iOS soon). It accelerates development with scaffolders ...
Tiny mvvm library that does the absolute minium that you need in order to demonstrate MVVM functionality.
WPF/MVVM utilities: commands, converters, async support, etc. Consider this MVVM light light
Currently supports Vista/Win7 control panel style window with glass VS2012 like (light and dark) Modern (office hub page)
KSMVVM.WPF is a MVVM toolkit that helps developers refactor code-behind WPF projects to MVVM.
EzNet MVVM Library Package
QuickCross is a lightweight (no binaries) cross-platform MVVM pattern to quickly build native Xamarin.iOS, Xamarin.Android, Windows Phone and Windows Store Apps with shared C# code. QuickCross provides data binding for Android and for iOS. It accelerates development with scaffolders and code ...
Simple helper for applications using MVVM pattern.