Yes but the books that you downloaded may be illegal copies or rented from a library (which is legal). There are also some nice sites where you can download free books for Nook: TheFreeLibrary.com, Feedbooks, Manybooks.net, Google Books, etc.
visit medicalbookreader.blogspot.com
Calibre can convert epub to mobi, but it cannot remove DRM on books you purchased from B&N. Some epub books don't have DRM (like the classics you find on project gutenberg) and those can be converted by calibre. There is software that removes DRM but It's a violation of your licensing agreement on those books you purchased that have DRM. If you don't care, then just google removing DRM from nook or kindle books and it will point you in the right direction. Once DRM has been removed, Calibre can do the conversion
Here are some free drm removal software, you can use them to remove drm from audio books.
There is a list of free drm remover software, you can use them to remove drm from videos.
Here is a list of free DRM Remover software.
Amazon.com uses all DRM-free music.
No. Unless you can somehow download it to your computer and change the format of the book to one the Nook can read. No. They are each their own different brands, so you cannot access the nook store on the kindle. If they have DRM - no, cannot be opend with a kindle. If the do not have DRM - they can be converted using third party software (e.g. calibre). Kindle books use a proprietary format that can only be read on Kindles or devices running a Kindle app including the iPhone, Android phones, iPad, Mac and PC. The Nook can not read ebook in the Kindle format. Both the Kindle and Nook can read ebooks in some other common formats but these are used for free ebook titles that are one or two centuries old. No. Books that are on Kindle devices are ".mobi" files. Nooks read ".epub" files. As of 3/25/12, there is no way to put books from your Nook onto your Kindle.
You cannot directly transfer Kindle books to a Nook, as they use different file formats and are protected by DRM. However, you can use software like Calibre to convert the Kindle books to a compatible format for the Nook. Keep in mind that this may breach the terms of service of the books and is not always legal.
DRM free music stands for: Digital Right Management- free. It means there are no digital rights embedded in the file. That does not mean you are free to use it as you please though. Be careful when using so-called DRM free media. It may not really be DRM free and you may find yourself in trouble.
Noteburner Audiobook Converter for mac may help up you, is specially designed for Mac users to convert both DRM protected and DRM free audio books to unprotected MP3, AAC. It's also an AA to AAC converter which allows you to convert audio book to DRM free AAC with both ID tags and chapters information preserved. But this software needs to purchase.
The short answer is no, you cannot read Borders books on Kindle. If you see an advert by Borders stating that you can read their e-books on any reader, they are simply lying. The ebook would need to DRM free (no rights management) and would then need to be converted to azw or mobi format. But if it has DRM as most books do, you cannot convert them.
drm controls what you can or cannot download, okay??;)
In general it is not legal to remove DRM from a file. Trying to do this can be risky as it could give you a virus. Requiemis a fairplay DRM removal freeware, which can remove DRM protection from iTunes content free. And TunesKit products are shareware. It will give you better speed and quality for the DRM removing process.