DotNetBar for Windows Forms 

DotNetBar Suite for Windows Forms is toolbox of 89 stunning components for creating professional user interface with ease using Visual Studio 2005 through 2015. For over 10 years DotNetBar is helping developers like you create sleek professional Windows Forms (WinForms) user interfaces with unparalleled ease.

DotNetBar is world's first component to introduce fully featured Office 2013, Office 2010, Windows 7 and Office 2007 style Ribbon controls. With DotNetBar you always get latest advancements in user interface technology in your applications.