Coho.UI is the WPF open source version of PageFabric UI (https://www.pagefabric-app.com).
It contains the shell to create a Windows desktop app using the Sun Valley design plus various other components to create an immersive UI on Windows 10 and 11.
You can import Coho.UI in your project using your IDE Nuget Package manager.
Coho.UI is available at Nuget.org.
You can read the Wiki section to find more about how to use Coho.UI in your projects.