Top 20 NuGet mvvm Packages

A simple and customizable converter/extension from bool to Visibility for Wpf/XAML. It offers a markup extension (so you can use it inline in XAML without defining a resource) and easy custumizability of the conversion.
Smile is a library to create Windows Store and Windows Phone 8 apps with MVVM design pattern, allowing you to share almost 75% of your code between the two platforms.
A simple to use Navigation Service that works with MVVMlight specifically for windows phone 8
NemerleWeb framework
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)
A framework for the serialization of the popular JQuery DataTables Plug-in. There are two small libraries, CubedElement.DataTable.Contracts and CubedElement.DataTable.Model, and when building this the goal was not only to make it user friendly, but to make it n-tiered and IoC friendly too!
KSMVVM.WPF is a MVVM toolkit that helps developers refactor code-behind WPF projects to MVVM.
SpiritMVVM is a Model-View-ViewModel library, focused on richness of feature-set and cross-platform compatibility, using the Portable Class Library. It was designed from the beginning to incorporate many modern features and "niceties" found scattered in other MVVM libraries, but only truly combined...
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.
MVC 4 Controls Extensions contains extension methods for standard html & Knockout editable generic Grid, Vertical Grid, dropdown, textbox, radiobuton & checkbox controls.
Portable Class Library for attribute-based wiring-up of MVVM Commands. Targets .NET 4.5, SL 4+, WP7+, Windows Store.
A collection of useful tools for developing Windows and Windows Phone Apps using C# and XAML.
An asynchronous calculation framework for MVVM Models
This library contains basic MVVM objects: - Relay Command - Window Manager - EventToCommand (Without the need to install Blend SDK and use System.Windows.Interactivity)