Rbmake is a "book maker" for the Rocket eBook. It consists of a set of command line tools and some library routines which make it easy to assemble or disassemble .rb files, the book format native to the ReB.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.