Top 20 NuGet viewmodel Packages

Open RIA Services Contrib - Entity Tools
Contains attributes, helpers and extensions which useful for developing any software project
Contains infrastructure for implementation module structure of application
An extremely small and tiny (almost not there) MVVM library for Xamarin.Forms.
Makes WPF ViewModel classes smart by default. Implements INotifyPropertyChanged and DelegateCommands for auto properties, recognises dependent properties, connects property changed handlers, triggers validation. Supports virtual properties with Entity Famework.
This nuget package will help you to implement navigation from viewmodel
Base ViewModel with easy Computed properties support
A simple to use yet powerful implementation of INotifyPropertyChanged.
Common infrastructure for WPF projects
Quick to learn and use MVVM library. Check example on Github.
A easy way to map ViewModels to Entity Data object. Examples on http://www.eknak.com.br/EFMapper
NLog adapter for MvvmFx.Logging.ILog.
Log4net adapter for MvvmFx.Logging.ILog.
CaliburnMicro is a small, yet powerful framework, adapted for building MVVM Wisej applications. Its strong support for MV* patterns will enable you to build your solution quickly, without the need to sacrifice code quality or testability.
CaliburnMicro is a small, yet powerful framework, adapted for building MVVM WinForms applications. Its strong support for MV* patterns will enable you to build your solution quickly, without the need to sacrifice code quality or testability.
CaliburnMicro is a small, yet powerful framework, adapted for building MVVM Wisej applications. CSLA .NET enables developers to build an object-oriented business layer for their application that encapsulates all business, authorization and validation logic for the application.
CaliburnMicro is a small, yet powerful framework, adapted for building MVVM WinForms applications. CSLA .NET enables developers to build an object-oriented business layer for their application that encapsulates all business, authorization and validation logic for the application.
Databound versions of TreeView, ListView, Panel and Components.
Databound versions of TreeView, ListView and Components. BindingSourceRefresh, Form and UserControl versions that already include the BindingSourceRefresh control.