RoxyApps eBook Conversion Tool - Convert djvu, epub, fb2, lit, azw, lrf and other eBook files to txt, pdf, pdb, rtf and other formats
TEBookConverter - Portable software for cloud, local, and portable USB drives
djvu-pdf.com - Converts PDF to DjVu and DjVu to PDF online.
calibre - Ebook manager, viewer & converter
Any eBook Converter - Any eBook Converter is a perfect DRM removal tool for removing DRM from eBook files and convert Kindle, Adobe, Nook, Kobo to DRM-free file, like epub, mobi, pdf, azw, txt and kfx.
Convertio - File Conversion in the Cloud