WPF一些开源UI框架

HandyControl https://github.com/HandyOrg/HandyControl
MahApps.Metro https://github.com/MahApps/MahApps.Metro
MaterialDesignInXamlToolkit https://github.com/MaterialDesignInXAML/MaterialDesignInXamlToolkit
AduSkin https://github.com/aduskin/AduSkin
PanuonUI.Silver https://github.com/Mochengvia/PanuonUI.Silver
LiveCharts2（图表） https://github.com/beto-rodriguez/LiveCharts2
Avalonia (类WPF，跨平台) https://github.com/AvaloniaUI/Avalonia