Open-source Winform Control Library - HZHControls
A flat, beautiful, open-source C# Winform control library based on .NET Framework 4.0.
WPF Open Source Control Library - HandyControl
A WPF open source control project with many contributors
A WPF Open Source Project Worth Learning: Accelerider.Windows
This project applies the Prism MVVM framework. The displayed data comes from other service programs and uses WebAPI communication. To run this program normally, you need to create a WebAPI program yourself, with the API interface providing data driving. In fact, it is most straightforward to directly view the code; those who need it can easily extract it, even if the project cannot run.
Open Source C# WPF Control Library - Panuon.UI.Silver
An excellent domestic open-source WPF control library, an optimized version of Panuon.UI. A beautiful WPF UI control library using styles and attached properties, worth recommending for use and learning.