calibre
Source (link to git-repo or to original if based on someone elses unmodified work): Add the source-code for this project on opencode.net
calibre is a e-book library management application. It is free, open source and cross-platform in design and works on Linux, OSX and Windows. calibre is meant to be a complete e-library solution and thus includes, library management, format conversion, news feeds to ebook conversion as well as e-book reader sync features.
A video demonstration of some features is available at http://calibre.kovidgoyal.net/downloads/videos
