Xceed SmartUI for .NET

  Xceed SmartUI for .NET provides the visual controls you need to create user-friendly, state-of-the-art Windows Forms applications quickly and easily. It supports real themed or simulated Windows XP, Office XP and classic Windows styles. It includes menubars, toolbars, treeviews, task panes, outlook bars, status bars, tabstrips, option lists and listboxes. Use its real-time WYSIWYG designer to see results without a compile+run phase.