1)   Nevron User Interface for .NET Q4_2006
Nevron User Interface is a set of Windows Forms controls designed to provide powerful and flexible look-and-feel for your Windows Applications, written in 100% managed C# code.

 2)   PlusDock 4.0.0.
Custom docking windows library, featuring floating forms, autohide panels and redockable windows. Full Office2003 theme support, integrated WYSIWYG desginer support for VS.NET, fast rendering, accurate panel transitions and full documentation.