ManyBooks is one of the best resources on the web for free books in a variety of download formats. There are hundreds of titles here in all sorts of interesting genres, and they’re completely free. Not all the books are classics, so if you’re into other genres, this site is a good alternative to others in this list.
Google offers nearly 3 million free e-books from the public domain.
If you’ve been looking for a great place to find free audiobooks, Librivox is a good place to start. The site has many volunteers that work to release quality recordings of classic books. All the titles here are absolutely free, which is good news for those of us who’ve had to pony up ridiculously high fees for substandard audiobooks.
Open Library is an online site of over 1 million books and is part of the Internet Archive. Not all of the titles are available in digital format—some records link to WorldCat where library holdings of physical copies can be viewed.
Contains 11,418,000+ books and 84,837,000+ articles for free.
Your search engine for PDF files. As of today we have 80,401,016 eBooks for you to download for free.
Lib-gen is a fantastic digital shadow library that gives you free access to millions of your favourite books and papers as eBooks – from fiction books to fantasy, crime to science fiction and romance to thriller, as well as textbooks, journal articles, academic works, graphic novels, comics etc – in epub, pdf, mobi and many other formats.
Internet Archive is a non-profit library containing millions of free books, movies, software, music, websites and more.
Authorama offers a good selection of free books from a variety of authors, both current and classic. They’re organized alphabetically by the author’s last name and are written in HTML and XHTML, which means they’re in an easily readable format.
Project Gutenberg is one of the largest and oldest sources for free books on the web, with over 60,000 downloadable titles available in a wide variety of formats.
From the Internet Archive at Archive.org, eBooks and Texts is a library of fiction, popular books, children’s books, historical texts, and academic books. The free books on this site span every possible interest.
Wikisource is an online library of user-submitted and maintained content. While you won’t technically find books on this site, there are still hundreds of thousands of pieces of content available to read, and some are in an ebook form.
Scribd offers a fascinating collection of all kinds of reading materials: books, audiobooks, documents, sheet music, magazines, and more. This is one of the web’s largest sources of published content, with literally millions of documents published every month and organized by category.
Free-eBooks.net offers a wonderfully diverse variety of free books, ranging from fiction and non-fiction to textbooks, academic text, classics, and more.
Open Library is a search tool that pulls data from Internet Archive. You can search hundreds of thousands of books here, and most are in multiple formats such as PDF, ePub, Daisy, and DjVu.