- FeedBooks
- ManyBooks
- Internet Archive
- Project Gutenberg
- GoodReads and LibraryThing offer direct downloads to public domain/many creative commons works.
- Search for $0.00 or free in the for-profit ebook stores (Kindle, Nook, etc.). Search for free ebook to find free ebooks and ereaders in your device’s app store.
- See also (this list goes on and on).