Top 20 NuGet blend Packages

Provides reactive extensions based xaml components based on the Blend SDK library, allowing you to fire a observable from XAML
Easily add interactivity to your apps using XAML Behaviors for WPF. Behaviors encapsulate reusable functionalities for elements that can be easily added to your XAML without the need for more imperative code.
Extends Blend with new attached properties and types that expose features included in NoesisGUI.
MVVM Helpers is a library of helpers for WPF to implement the MVVM design pattern, it also includes several Blend behaviors, attached behaviors, extension methods and general .NET classes to aid in the development of WPF applications.
MVVM Helpers is a library of classes for WPF, WinRT, WinPRT, Xamarin.iOS and Xamarin.Android to implement the MVVM design pattern. It also includes several Blend behaviors, attached behaviors, extension methods and general .NET classes to aid in the development of .NET applications.
Easily add interactivity to your apps using XAML Behaviors for WPF. Behaviors encapsulate reusable functionalities for elements that can be easily added to your XAML without the need for more imperative code.
A WPF theme which will make an application look like Blend
Micosoft Expression Blend SDK for 4.5
MVVM Helpers (Metro) is a library of helpers for Windows 8 and .NET 4.5 to implement the MVVM design pattern
MVVM Helpers is a library of helpers for Windows 8.1 and .NET 4.5 to implement the MVVM design pattern
Blend Behaviors to help designer-developer collaboration for WPF, Silverlight and Windows Phone 7 as outlined in the article "A Designer Friendly Approach to MVVM" at http://www.silverlightshow.net/items/A-Designer-friendly-Approach-to-MVVM-Part-I.aspx.
Barcode Professional for Windows Phone generates high quality vector-based Linear, Composite and 2D Symbologies. Features: - Linear & 2D Barcodes - data-binding support, raster image exportation (WriteableBitmap), Barcode rotation (0, 90, 180, 270 degrees), Full design-time support Visual Studio...
An implementation of the triggers functionality that was available in Silverlight but is missing WinRT XAML. Supports event and property based triggers with storyboard, state and command actions. Actions can have conditions applied to them so they only fire under certain conditions.
A dynamic ViewModel sample data generator library for .NET Universal Apps.
Easily add interactivity to your apps using XAML Behaviors. Now with UWP support! Behaviors encapsulate reusable functionalities for elements that can be easily added to your XAML without the need for more imperative code. This is the managed version for C# UWP projects.
Easily add interactivity to your apps using XAML Behaviors for WPF. Behaviors encapsulate reusable functionalities for elements that can be easily added to your XAML without the need for more imperative code.
Easily add interactivity to your apps using XAML Behaviors for WPF. Behaviors encapsulate reusable functionalities for elements that can be easily added to your XAML without the need for more imperative code.
Usage sample for the Response.MVVM package.
Image Processor effects library
A collection of universally useful XAML value converters, behaviors, and styles.