1. Project Gutenberg

Project Gutenberg offers a vast collection of over 60,000 free e-books. Browse through their catalog and download classics in various formats like HTML, EPUB, MOBI, and more!

2. Librivox

Librivox is a volunteer-driven platform that provides free audiobook versions of classic literature. Explore their extensive collection and download or listen to your favorite books on the go.

3. Internet Archive

The Internet Archive features millions of books, including rare and out-of-print titles. Their extensive database allows you to read books online or download them in a variety of formats.

4. Open Library

With over one million titles available, Open Library is an online book catalog that also provides free e-books in various formats. You can borrow up to five books at a time for up to two weeks each.

5. Feedbooks Public Domain

Feedbooks offers thousands of public domain e-books that are accessible for free. Browse their selection and find hidden gems in both classic works and lesser-known titles.

6. Smashwords

Smashwords is an independent e-book publishing platform that offers thousands of free and low-cost e-books from emerging authors and independent publishers. Discover unique stories while supporting indie creators.

7. ManyBooks

ManyBooks is an online repository with over 50,000 free e-books in multiple formats such as ePUB, PDF, MOBI, and more! Explore their collection by categories or most popular downloads.

8. Bartleby

Bartleby features a diverse selection of free literature, reference books, and educational resources for students interested in classics, fiction, non-fiction, essays, poetry, and more

9. Read Print Library

Read Print Library is a virtual library providing thousands of classic books that you can read online for free! Sign up for an account to personalize your library experience by tracking your reading progress and creating book lists.

10. Google Books

Google Books is a comprehensive search engine that allows you to find both free and paid books. Use their advanced search functionality to filter results and discover free e-books available for download or online reading.