Top 20 NuGet behaviors Packages

Behaviors for Blazor. Extract functionality from a Component into a Behavior to make it reusable. Reuse it by adding Behaviors to a Component.
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.
With thinktecture UIAnnotations you can declarative attach visual Adorners and Expression Blend Behaviors to your user interfaces, including smart tags, editor toolbars and visual state markers for required fields, edit states and more. It also can automatically attach adorners to elements while ref...
Get Google Analytics to work with your Windows Phone application. The package is based on the original Microsoft Silverlight Analytics Framework but focusses on getting Google Analytics to work with Windows Phone.
Contains gestures, behaviors and value converters. See the README at the GitHub repository.
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 native version for C++ UWP projects.
Universal Helpers Library is a helper library for Universal Windows Platform (UWP) projects. Behaviors DragElementBehavior Allows you to make a UIElement draggable, either by mouse or touch. It has options for – allow the user to rotate, via multitouch – allow the user to scale, via multitouch....
This package contains built-in behaviors for Xamarin (Android / iOS) applications and the core classes to create new ones. Get more information about the Behaviors Toolkit for Xamarin at https://github.com/ThomasLebrun/XamarinBehaviorsToolkit
Easily add interactivity to your WinUI apps using XAML Behaviors. 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 WinUI projects.