Calibre is a cross-platform, open-source library for your e-books that can also sync them to your e-book reader. Available for Windows, Mac, and Linux, it offers a massive range of individual book customizations, as well as format conversion and newspaper-style RSS feed grabbing, but lacks a slick interface that would go a long way toward convincing skeptics that it's a powerful tool.
The number of things that Calibre can do for your digital book collection is stunning. You can view books in a basic spreadsheet layout or with an adaptation of Apple's Cover Flow. Cover Flow here lacks a default image, and the sudden white rectangle where the book cover should be is jarring. It can be toggled with the big, white arrow icon in the bottom-right corner of the main window--an equally awkward placement. … Read more