Ribbon Dialog Bar
BCGControlBar Pro (MFC)
BCGSuite (MFC)
BCGControlBar for .NET
The ribbon dialog bar extends the functionality of the docking control bar by enabling you to embed a ribbon control into a dockable window.
The ribbon embedded in the dialog bar does not include a caption, tabs, or an application ("main") button; it only uses one category with vertically oriented collapsible panels.
Ribbon dialog bar: