There are a number of free resources out there for electronic books and audiobooks that do not require a library card. There are many of these items in the public domain and you can access and download for free.
Volunteer driven website which uses modern typography, full proof-reading, and full metadata to produce beautiful, free, online versions of public domain books.
The original ebook site on the web. Project Gutenberg has over 60,000 books in epub and Kindle formats. These books can be read online or downloaded to your favorite device.
Open Library is sponsored by the Internet Archive. Their collection of free e-books has been build on the basis of sponsorship, allowing the public to help build their collection. An email address will be needed to create your free account.
Baen books has a free library of fantasy and science fiction books for download. Many of Baen's popular authors including Eric Flint, David Drake, Rosemary Edghill, and David Weber are featured in the library.
More than 50,000 ebooks are available at ManyBooks.net. They also have author interviews, discussion groups, and a daily free e-book and e-book deals section.
Thought Audio features books on philosophy and classic literature. Selections can be streamed or downloaded and many have a PDF transcript of the audiobook.
Audiobooks for kids. Storynory has a small collection of kids stories including poetry, music, mythology, and fairytales. Storynory books can be streamed in the website or downloaded.
Light Up Your Brain is story website aimed at children. Selections can be streamed or downloaded, for free. There are also additional activities aimed at the young or young at heart audience.