"Books Should Be Free" makes the world's public-domain audio books available for browsing in a visual and entertaining way. Books are browsable by their cover and include fiction, nonfiction, children's books, classics, and more.
LibriVox provides free audio books from the public domain. There are several options for listening. Audio books are available in several formats, such as mp3, ogg, and more.
Project Gutenberg makes audio e-books available in two different categories: human-read and computer-generated. These files can be very large, so are not good for modems or other low-speed connection.
