I’ve found a few reliable spots that are absolute goldmines. Project Gutenberg is a classic—it’s packed with over 60,000 free eBooks, mostly classics, but there’s something timeless about diving into 'Pride and Prejudice' or 'Frankenstein' without spending a dime. Then there’s Open Library, which feels like stepping into a massive digital archive. You can borrow modern titles alongside older works, and the interface is super user-friendly.
For more contemporary reads, I often check out ManyBooks, which offers a mix of genres, from romance to sci-fi, all free. If you’re into audiobooks, Librivox is a gem—it’s all volunteer-read public domain books, and the variety is impressive. Lastly, don’t overlook your local library’s digital collection. Apps like Libby or OverDrive let you borrow eBooks and audiobooks for free with just a library card. It’s like having a bookstore in your pocket.