In fact, we had so many suggestions, we have enough to compile a huge list from them, so here they are in no particular order:
- ManyBooks – Free eBooks for your PDA, iPod, or eBook reader
- BookCrossing – Where real books are released into the wild to be found by other.
- LibraryElf – The perfect companion to a public library syste
- Scribd – Open library to publish and discover documents online
- Word Public Library – 400,000 PDF ebooks for download
- Free Tech Books – Free computer science and engineering books (+ lecture notes)
- Bookins – Swap real books with other readers
- WellToldTales – Free short story podcasts (like audiobooks, but shorter)
- Wowio – Public domain, free legitimate copyrighted materials & one of the only with a selection of Comic Books
- BizBooktalk – Free book giveaway contests on Fridays
- MoochMuch – Organize your book lending with your friends
- CHMPDF – A collection of general interest and technical ebooks
- Realtime Publishers – free IT eBooks by many of the world’s best authors
- FrugalReader – Trade Books for free – Thanks Brent
- TitleTrader – Swap books, movies, and music – Thanks Brent
- ZunaFish – Trade your old media and books items for new titles you’d rather have – Thanks Brent
- SwapSimple – Swap your used books here
- SwapThing – Community of users who swap items including books
- BookCart – Internet paperback exchange
- SF-Books – Exchange Sci-Fi Books here
- PaperbackSwap – Swap books for free
- PinkMonkey - 450 Study Guides / Booknotes / Online Chapter Summary Notes and Analysis
- eBookWorld – Technical resources
- Flaxx – IT and computer books
- Baen Library – Free science fiction and fantasy novels
- LibraryThing – Social networking and free books
- Online Books Page – Facilitates access to books that are freely readable over the Internet
- Podiobooks – free audiobooks that you can subscribe to with iTunes or any other podcatcher
- BookRags – Research material in the form of eBooks
- Technical Books Online – Old tech books from the "vacuum tube age" of electronics
- ebookSearchr – Google powered Thanks Rico & Rokker
- Internet Archive – The Intenet indexed – that includes a vast text library
- BookYards – Books, videos, education materials
- Memoware – Free books for your PDA
- DocStoc – online document sharing website. the "YouTube of documents"
- Gutenberg Project Top 100 – Popular books from the oldest producer of free ebooks on the Internet
- BookMooch - Community for exchanging used books
- ebookSpyder – Specializes in technical books ranging anywhere from C# to AJAX
- Google Book Search – Read the classics online
- Dwalin – plain text novels
- Free Computer Books – Technical resources about computers
- Librivox – Audio works and podcasts of books
- CliffsNotes – Get the notes to cram for the exam
- WIkibooks – Free textbooks
- DailyLit – Receive small parts of books via email