List of Ribbon
Biller is a free and easy to use invoice program featuring the Fluent Ribbon Control
Document.Editor is an open source multitab VB.Net/WPF Ribbon UI based word processor for Windows XP, Vista, Windows 7 and Windows 8.
Basic Ribbon based document viewer for Windows XP, Vista and Windows 7.
Supports opening FlowDocument, Html, Rich text and Text document formats.
Basic Ribbon based image viewer for Windows XP, Vista and Windows 7.