Calibre is an open source eBook management program which lets you manage, convert and read ebooks on your PC, Mac or Linux computer. It will convert books from HTML, TXT, PDF into Sony’s LRF format and comes with a rather cool reader interface as well as hooks into the iPhone Stanza product as well. One other useful feature is the ability to access your book library remotely via any Web browser and/or email client. Useful.

If you’re into eBooks, this is a nice catch.

 calibre is a one stop solution to all your e-book needs. It is free, open source and cross-platform in design and works well on Linux, OS X 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 and an integrated e-book viewer.