Calibre, the eBook library app for the Mac, is a great way to store all of your eBooks in one place and it is free. DeDRM Calibre Plugin is free and simple software for removing DRM from their Kindle ebooks, stripping DRM from their Adobe Digital Editions ebooks, getting rid of DRM from their Barnes and Noble ebooks, freeing their Kobo ebooks of DRM, or decrypting their Fictionwise eReader ebooks. Once this is set up, there are just a few easy steps to download your eBooks and have Calibre automatically remove the DRM and convert it to the format used with your favourite eBook Reader.