Material Design In XAML's repositories
MaterialDesignInXamlToolkit
Google's Material Design in XAML & WPF, for C# & VB.Net.
MotionList
Using Dragablz and Material Design In XAML to build a fluid items control in WPF.
Displaying-XAML
This library is for display the XAML code of theme library for WPF (e.g. MaterialDesignInXamlToolkit)