Top 20 NuGet viewmodel Packages

A small, yet powerful framework designed for Xaml platforms, Caliburn.Micro implements a variety of UI patterns for solving real-world problems. Patterns that are highlighted include MVVM (Presentation Model), MVP and MVC.
A zero-configuration, highly-configurable object-object mapper with viewable execution plans. Projects queries, transforms, deep clones, updates and merges via extension methods, or a static or instance API. Targets .NET Standard 1.0+ and .NET 3.5+
A small, yet powerful framework designed for Xaml platforms, Caliburn.Micro implements a variety of UI patterns for solving real-world problems. Patterns that are highlighted include MVVM (Presentation Model), MVP and MVC.
Catel.MVVM library.
Catel.MVVM.Xamarin.Forms library.
Services ViewModel Composition
DataContext and CommandContext allow you to separate data and commands into two dedicated view models.
A wpf windows toolkit for window operations, including some behaviors, useful class for view model
A very lightweight but powerful ViewModel-First MVVM framework for WPF, inspired by Caliburn.Micro.
Open RIA Services Toolkit - Silverlight ViewModel (MVVM) features
Provides core functionality for WPF applications.
The Mvvm Extensions package provides basic implementation of ICommand interface, base class implementation for ViewModels and a range of other classes that may be useful for desktop WPF application.
A small, yet powerful framework designed for Xaml platforms, Caliburn.Micro implements a variety of UI patterns for solving real-world problems. Patterns that are highlighted include MVVM (Presentation Model), MVP and MVC.
MVVM solution for efficent command definition and usage in WPF projects including a comfortable base view model
MVVM solution for efficent command definition and usage in UWP projects including a comfortable base view model
Services ViewModel Composition for Asp.Net Core Mvc
Services ViewModel Composition API Gateway
.NET Framework: A quick startup project for Stylet, the lightweight but powerful ViewModel-First MVVM framework for WPF
Services ViewModel Composition Testing Infrastrucutre
West Wind Web MVC Utilities provides a number of small MVC helpers and utilities for dealing with controllers, viewmodels and error display and many utility functions.