Librivox is a website offering free public domain audiobooks read by volunteers from around the world. Users can browse the catalog by author, title, genre/subject, or language and listen to the audiobooks on their computers, iPods, or other devices. The website also features news and statistics on the project. 


LibriVox | Free Public Domain Audiobooks

Project Gutenberg is a digital library that provides over 75,000 free eBooks, primarily older works that are no longer under copyright. Users can choose between epub and Kindle formats, download them, or read them online. The website also offers audio book resources and information on how to contribute to the project, such as proofreading or recording audiobooks. 


Free eBooks | Project Gutenberg

Open Library is an online, editable library catalog with millions of books available through Controlled Digital Lending. It allows users to browse by subject, author, or lists created by other members. The website encourages user contributions, such as adding new information or corrections to the catalog. It also features a blog with recent updates about the project. Open Library is an initiative of the Internet Archive, a non-profit organization that aims to build a digital library of internet sites and cultural artifacts. 
