1. Connexions

   Connexions is an educational content repository. It has more than 1000 free textbooks, journals and articles. These textbooks can be downloaded on your mobile devices for offline reading.

   

2. Bartleby

   Bartleby is one of the pioneers in internet publishing of literature and reference materials. These textbooks can be downloaded for free.

   

3. Flat World Knowledge

   Flat world knowledge offers free and open college textbooks. They have textbooks from well-known authors and scholars in their catalogue. These textbooks can be read online using their easy to use online reader. However to download an eBook you need to pay a small fee.

   

4. Community College Consortium for Open Educational Resources (CCCOER)

   CCCOER with help of other colleges and faculties are providing high quality and accessible open educational resources for free. They have a wealth of study materials which are in public domain or openly licensed.

   

5. University of Pennsylvania

   University of Pennsylvania has created a mini-sites of sorts which links to free textbooks available on internet. It has over 1 million free eBooks. The keeping updating the list regularly.

   

6. Digital Book Index

   Digital book index links to more then 150,000+ digital books from various universities and publishers. Around 100,000+ of these books are available for free.

   

7. Textbook Revolution

   Textbook Revolution links to free online college textbooks and other educational materials contributed by students and professors. Books are available in PDF formats and some can be read online.

   

8. Classic Authors

   Classic Authors keep adding free, HTML formatted e-text for your reading enjoyment. These books are of great help specially to student who are in research. As name suggest they have a page for each authors which list all books written by them.

   

9. Bibliomania

   The Bibliomania Study Guides have been created by a group of final year and postgraduate students from the top UK and US universities. The guides are aimed at the senior high school and undergraduate student. They include the most up-to-date and useful research on the literary greats.

   

10. New York University

    New York University offers free online mathematics textbooks, lecture notes and videos.

    

1. Jungle-search

   Jungle-search.com is a search engine designed to find all sort of ebooks from Amazon. You can use it to find free kindle ebooks as well. In the price range’s from & to field enter 0. As of today, there are almost 29,000 free Kindle ebooks.

   

2. Project Gutenberg

   Project Gutenberg has largest collection of public domain books. These books are also available for kindle. Find book that interest you and download it on kindle for free. They have a very interesting section of Top 100 ebooks.

   

3. ManyBooks

   ManyBooks has around 29,000 free ebooks in their database. All them are available in Kindle format for free.

   

4. Feed Books

   Feed Books provides thousands of free ebooks for kindle. eBooks listed under Public Domain and Original Books can be freely downloaded for kindle. Select your book and click on kindle from the download link.

   

5. Inkmesh

   Inkmesh is a search engine for finding free ebooks. Search can be filtered for kindle only from the left column navigation. Inkmesh is really fast and accurate.

   

6. Open Culture

   Open Culture has listed around 300 free books which can be downloaded on Kindle. List includes fiction, non-fiction & poetry.

   

1. Free PDF Book Download

   A collection a free pdf ebooks download on topics like Mechanical Engineering, Electrical Engineering, Computer Science, etc… Site currently list close 2500 free pdf ebooks. Site name next to word ‘Download Link’ is the actual download link. The word ‘Download Link’ itself is an ad.

   

2. Obooko

   Its a showcase for new and established inependent writers. They have thousands of free pdf ebooks categorized into Romance, Humour, Poetry, etc… You need to register before download free ebook.

   

3. Acrobat Planet

   Collection of free ebooks all in PDF format. Ebooks are on all kinds of topics.

   

4. asPDF

   A huge collection of user submitted free PDF ebooks. Simple and clean interface. No regitration required for downloading free PDF ebooks.

   

5. PDFee

   Huge collection of free pdf ebooks.

   

6. Book Boon

   Bookboon.com offers a huge range of over 1000 free quality eBooks for university students, books for business professionals and travel guides. Books can be downloaded directly in PDF format, and are currently available in five languages for everyone around the world. You need to specify your email address to download ebooks.

   

7. PDF Gallery

   PDF Gallery offers all types of free pdf ebooks. You can magazines, reports, worksheet, etc… You will find what you are looking for.

   

8. PDF Books

   To download free ebooks, go to OPEN LITERATURE or UNPUBLISHED WORKS section. They also provide PDF in mobile format. No registration is required for download free PDF ebooks.

   

9. eBook Byte

   Download free EBooks for all categories e-g. Engineering EBooks, Medical EBooks, Computer EBooks, Business EBooks and many more. No Signup or Registration Required. All ebooks are available in PDF format.

   

10. PDFoo

    PDFoo is regularly updated. They have around 25000+ free pdf ebooks. They also list ebooks by most download, good place to get started.

    

Ebooks Space – Additional resources

Not all books listed are in PDF format. You use google to list only PDF eBooks. Google shows results of around 104 books.

Searching for audio book may not always be fruitful, especially when you are looking for classic old books. We did the searching for you and present you with a list of sites from where you can download audio books for free.

1. LibriVox

   LibriVox is a non-commercial project. They records chapters of books in the public domain and release the audio files for free. They have over 2200+ free audio books. This project is run with the help of volunteers who records books for them. You can also become a volunteer and help them in this project.
   

2. Books Should Be Free

   Books Should Be Free has a great collection of free audio books on almost all topics. They have around 15 different categories. If you are confused where to start from, they have Top 100 Books section has well.
   

3. Learn Out Loud

   Learn Out Loud is an free audio books directory. They have more than 5000 free audio books for download. This directory features free audio books, lectures, speeches, sermons, interviews, and many other great free audio and video resources. Most audio books can be downloaded in digital formats such as MP3. They also have free video books. Most of the video books are available to stream online.
   

4. Lit2Go

   Lit2Go is a free online collection of stories and poems in Mp3 format. They provide in-depth details about the book and chapter. You can either download or listen online.
   

5. Free Classic Audio Books

   Free Classic Audio Books offers digital narrations from 21st century. You can download free audio books in mp3 & mp4 format.
   

6. Project Gutenberg

   Project Gutenberg is a well known and one of the oldest website for free ebooks all books are in public domain. They have both computer generated and human read audio books. You can download free audio books in different English, Russian, Polish and many more languages.
   

7. Talking History

   Talking History focuses on all aspects of history. It has a collection of audio documentaries, speeches, debates, oral histories, conference sessions, commentaries, archival audio sources, and other aural history resources. They have weekly internet based radio broadcasting programme.
   

8. Audio Books for Free

   Audio Books for Free has a huge collection of free audio books. They have 2700+ free audio books in fiction, non-fiction & children categories. Low quality of audio books can be downloaded for free. However for high quality they charge a small fee per book.
   

9. Thought Audio

   Thought Audio has a library of free audio download. They have more than 75 good audio books which is a joy ride for classic literature and philosophy lovers. They have books return by famous authors like H.G. Wells, Joel Benton, Mark Twain etc…
   

10. Audio Book Treasury

    Audio Book Treasury has a small collection of 20 free classic audio books. Books are available in MP3 format at quality of 16-64kbps. They have tried and removed advertisements from these books.
    

11. Audio Books

    Audio Books offers more than 450 great audio books in a linear list. They have popularity meter for each book, this helps in choosing books. To download free audio books you need to be register member.
    

12. Podiobooks

    Podiobooks distributes free audio books via RSS much like a podcast. You should be a registered member to download books, however registration is free. If want you can donate to a particular book. This divided between the author of the book who gets 75% and rest 25% is kept with the site owners to pay their hosting and bandwidth bills.
    

13. LoudLit

    LoudLit is committed to deliver public domain literature paired with high quality audio performances. Read and listen via your web browser or on your mp3 player.
    

14. Free Audio

    Free Audio has a collection of 16 free great audio books. They have listed books which can distribute for free. They encourage you distributes these free books via your own website and other file sharing services.
    

15. Audio Literature Odyssey

    Audio Literature Odyssey has a collection of short stories & poetries by voice actor Nikolle Doolin.
    

16. The Spoken Alexandria Project

    The Spoken Alexandria Project is creating a free Creative Commons library of spoken word recordings, consisting of classics in the public domain and modern works. Audio books are available in AAC, Ogg Vorbis, and MP3 format for free download and redistribution.
    

17. Kiddie Records Weekly

    Kiddie Records Weekly has a big collection free audio books for children. Many of these recordings were expensive Hollywood productions on major record labels which featured famous celebrities and composers.
    

18. The Poetry Archive

    The Poetry Archive is on online collection of recordings of poets reading their work. You can enjoy listening to poem online for free.
    

19. List of Free Audiobooks

    Author of this forum post has listed free audio books which has Japanese transcript and an English translation.
    

20. Audio Books by verkaro

    Audio Books by verkaro provides original free audio books online. Post a new audio book whenever they manage to raise money for its recording. Once recorded it is released under Creative Commons free to the public. In all they have 18 high quality free audio books.
    

21. The Education Podcast Network

    The Education Podcast Network is an effort to bring together into one place, the wide range of podcast programming that may be helpful to teachers looking for content to teach.

22. Sound Latern

    Sound Latern lists all kinds of audio content. They have a category for books which has more than 200 free audio books. You can comment, rate & upload your audio content.

23. Simply Audio Books

    Simply Audio Books used to have a small collection of free audio books. They have removed free books section from their website.

24. Beckham Site Audio Book

    Beckham Site is no more offering audio books.

1. PDFGeni

   PDFGeni is a dedicated pdf search engine for PDF ebooks, sheets, forms and documents. They have even come out with iPhone Edition, ofcourse it is in beta.

   

2. BookYards

   BookYards wants to be the “The library to the world”. Here you will find lots of ebooks, external web links & videos. They have 16000+ ebooks in 35 different categories.

   

3. Planet eBook

   Planet eBook offers free classic literature for downloading. They have 59 free ebooks. You can even suggest a classic free ebook.

   

4. Scribd

   Scribd allows you to share documents online. It supports Word, Excel, PowerPoint, PDF and other popular formats. People even call it YouTube for documents. You can download free ebooks or embed it in your blog. Beware there are some copyrighted ebooks as well.

   

5. Free Tech Books

   Free Tech Books lists free online computer science, engineering and programming books, textbooks and lecture notes, all of which are legally and freely available over the Internet.

   

6. E-Books Directory

   E-Books Directory has downloadable ebooks, documents and lectures. You can submit your own ebooks or add comments on other ebooks. They have more than 600+ ebooks.

   

7. Free Book Spot

   Free Book Spot is a free ebooks library where you can download free ebooks without registering. They have more than 90 categories and 4000+ free ebooks to choose from. You can even add a free ebook. To add you need to register. Registration is free.

   

8. MemoWare

   MemoWare is a unique collection of thousands of documents (databases, literature, maps, technical references, lists, etc.) specially formatted to be easily added to your PalmOS device, Pocket PC, Windows CE, EPOC, Symbian or other handheld device.

   

9. Project Gutenberg

   Project Gutenberg is a well known and one of the oldest website for free ebooks. They have largest collection of public domain books. Books which are no more copyright and are available to anyone for any purpose. There are over 25000 free books. If you are unable to decide which book to start from check out their Top 100 Ebooks and Authors page.

   

10. ManyBooks

    ManyBooks provide ebooks different formats. You can read ebook on you PDA, Palm, Pocket PC, And even on iPhone or iPod. They have 22000+ free ebooks. You can browse through the most popular titles, recommendations, or recently reviewed by the visitors. They even have a special collections page for you find an ebook quickly.

    

11. Free-eBooks

    Free-eBooks is an online resource for free ebook downloads. Lots of useful free ebooks, tutorials and free magazines. You can even submit your ebook, they charge for its promotion.

    

12. KnowFree

    KnowFree is place for users to exchange freely ebooks, video training and other materials for educational purposes, self-practice only. It has 8000+ knowledge material in 10 categories.

    

13. The eBook Directory

    The eBook Directory has 550+ free ebooks. They have a good collection in business, marketing & self improvement categories.

    

14. Witguides

    Witguides provides wide range of free ebooks. They have 300+ free ebooks you can download then without registering. You can also submit a free ebook.

    

15. Diesel eBooks

    Diesel eBooks provides free ebooks formatted for both Microsoft Reader and Mobipocket. Their free ebooks include over 413 authors and over 750+ titles.

    

16. Free Computer Books

    Free Computer Books has a huge collection of Free online Computer, Programming, Mathematics, Engineering, and Technical Books, Lecture Notes and Tutorials. It has 12 top level categories and over 150 sub-categories. Most of the ebooks are links to other websites.

    

17. Feedbooks

    Feedbooks provides thousands of free ebooks. All ebooks are compatible with Smartphones, Blackberry, PDAs, iPhone & iPod. You can browse ebooks by well known authors, most downloaded & most commented. It is one of the most neatly designed free ebook website.

    

18. Get free ebooks

    Get free ebooks is a free ebooks site where you can download free ebooks totally free. All the ebooks within this site are legal downloadable free ebooks. It has around 370+ free ebooks in 57 categories.

    

19. The Online Books Page

    The Online Books Page facilitates access to books that are freely readable over the Internet. It also aims to encourage the development of such online books, for the benefit and edification of all. Lists over 30,000 free books on the Web.

    

20. SnipFiles

    SnipFiles offers you free ebooks either brought or attained PLR, resale or master rights to all the products and making them available free for download.

    

21. Ebooks Download Free

    Ebooks Download Free contains large collection of pdf and chm books free download you can download free ebooks from many categories. It categories ebooks in 25 different categories.

    

22. eBook-X

    eBook-X provides more than 500 free computer related ebooks for download in 44 categories.

    

23. Public Literature

    Public Literature have over 500 books and over 300 audio books. It showcases some of the greatest authors from around the world. They also provides a user-friendly interface to read books online.

    

24. PDFoo

    PDFoo provide the largest free resources of PDF files. All files based on popular topics and most search by people. They even have a popular page, good place to get started.

    

Download free ebooks websites contributed by readers

1. ebcrack.com – has 1000+ free ebooks in 28 different categories.
2. Munaji E-Books – has wide range of web development related ebooks.
3. Find PDF – FindPDF uses Google Search API to find books/manuals.
4. Guru Engineers – lists free ebooks for engineers. You will need to register before downloading them. Thanks deepmann771 for the link.
5. WePapers – Free academic ebooks, courses and notes. Thanks Ehud zamir for the link.
6. eBook free library – is regularly updated site for free ebooks. It also one of the most eye catching designs I have seen. Thanks firulan for the link.
7. Khup – is an ebook search engine which provides updated and quality results for ebook, book, magazine, etc. in pdf format. Thanks Jepara for the link.
8. Book Maniacs – is a forum where registers users can also contribute. Thanks karl for the link.
9. Digi Libraries – offers a digital source of eBooks for any taste, a vast range of titles in digital format. Thanks Jonathan for the link.

Some more websites for downloading free ebooks

1. IT eBooks – As name suggest they provide free IT books. They have latest IT book for free in PDF format. They cover tpoic like Android, iOS development. Highly recommended site for free IT ebooks.
2. eBookMall – Have a small collection of free ebooks around 25 free ebooks. They are more into selling ebooks.
3. Bookmags Spot – They link to ebooks which are avialable for download on other websites. Along with free ebooks they link to good number of free magazines.
4. Search Ebooks – using this site, you can find all documents, manuals and ebooks. It searches most format of ebooks.
5. Online Programming Books – regularly publish details about legally available free computer books, online books and free ebooks related to IT.
6. MartView – has around 15000+ free ebooks. To download and read ebook you need install martview free ebook reader.
7. Free Ebook Download Links – provide links for downloading books available free in different format. The books are published online by their authors for free viewing and printing for non-commercial proposes only. Link to around 125+ free ebooks.
8. WOWIO – You need to register to get access to free books. Registration is free. They have only handful of free books.
9. Free PDF eBooks Archive – has a small section on their website which has free ebooks. They have around 75+ free ebooks in this section.
10. Adobe Free eBooks – offers books via Adobe Digital Editions software. You first need to download and install it to access free ebooks. Before intalling check list available of free ebooks.
11. eLibrary – offers around 600+ free ebooks. All books are rates which make easier for you to choose.
12. Books In My Phone – has format and package ebooks so that you can read them on a java enabled phone. Books listed here are out of copyright in the USA; and in most cases Australia, Canada, the U.K.
13. askSam – You will need the FREE askSam Viewer to read free ebooks. With askSam, you can create your own eBooks, as well as free searchable databases from virtually any type of information.
14. Book Gold Mine – provides visitors with a large collection of quality ebooks, lectures, notes, and other kinds of documents. They even have a Latest Resources block on the right hand side of the page.
15. Freedomain Radio – provides 10 free ebooks. All them are politcal ebooks.