Theming .NET WinForms (edit)

I guess when you talk about "UIs done in WinForms" you mean UI or widgets framework?


OpenTheme: A free basic theme library.

Dock Panel Suite: Similar to the panel system in Visual Studio 2003.

RCM: Another free skin library.

XPTable: An extended list view.

And you can find a lot of custom controls in a place like CodeProject.

But, if you are willing to pay you can find gorgeous UI frameworks on the market. Generally, they offer a free trial:




...and many more.