Top 20 NuGet Windows Presentation Foundation Packages

Simple library containing RelayCommand classes with dispatched UpdateCanExecuteState function for command binding in MVVM projects
Helper Library for .NET
Allows to reuse the same instance of a WinForms or WPF app
MvvmMonkey is a low-overhead library that take a little bit of the boiler-plate (and pain) out of MVVM
Adds framework for checking if WPF controls meet Accessibility best practice
AAk Library - Useful Library for Persian C# Developers
The base library for simplifying the implementation of a Model View View-Model architecture. If you are planning on using this for WPF applications, please reference SEA.Mvvm.Wpf as well. If not, implement your own version of SEA.Mvvm.Wpf for your platform (or request that we do it). Please take 5 ...
Wpf Caret is a customisable framework element can be used to easily implement caret in your app...
Rml.Wpf
About controls for WPF
WPF Controls: - FilePicker - FolderPicker - etc.
The library which provides the easy implement of sorting, selection, right-clicking, double-clicking of ListView for all aspects of View, ViewModel and Model.
Microsoft.Wpf.Interop.DirectX.D3D11Image is a version of D3DImage that supports DirectX 11 or DirectX 10. For more information, check out the project here: https://github.com/Microsoft/WPFDXInterop