STDU Converter is easy to use. You need only select your DjVu file and push button "Convert". You can select pages which you want to convert. You can rotate some pages, if you need. You can create your own tree of content in the result's document.
STDU Viewer is a document viewer for multiple file formats. The goal of this software is to replace the multiple document viewers with a single simple application. STDU Viewer supports following document formats: DjVu, TIFF, PDF. For documents that support content STDU Viewer gives the possibility to show the content for quick jumping from one section to another.