1. Free EBookspot: This is an online source of free ebooks download with 4485 FREE E-BOOKS in 96 categories which up to 71,97 GB.You can search and download free books in categories like scientific, engineering, programming, fiction and many other books. No registration is required to download free e-books.
2. OBooko: This is a website where you can dig into more free e-books. Featuring more than 30 categories of e-books ranging from children to history and archeology, Obooko.com should not be missed.
3. 4eBooks: This site has a huge collection of computer programming ebooks. Each downloadable ebook has a short review with a description. You can find over thousand of free ebooks in every computer programming field like .Net, Actionscript, Ajax, Apache and etc.
4. Ebookee: Books you will find: Almost any book, magazine, even audio books you can imagine. Not all links work, but fresh ones usually do.
5. ManyBooks: provides free ebooks for your PDA, iPod or eBook Reader. You can randomly browse for a ebook through the most popular titles, recommendations or recent reviews for visitors. There are 21,282 eBooks available here and they’re all free!
6. FreeTechBooks: This site lists free online computer science, engineering and programming books, textbooks and lecture notes, all of which are legally and freely available over the Internet. Throughout FreeTechBooks, other terms are used to refer to a book, such as ebook, text, document, monogram or notes.
7. Ebook 3000: Books you will find: Business, Database, Graphic Design, Hardware, Internet, Microsoft, Web Development, Programming, Engineering, Magazine, Personality.
9. Scribd: This is the online document sharing site which supports Word, Excel, PowerPoint, PDF and other popular formats. You can download a document or embed it in your blog or web page.
10. Ebook lobby: Free ebooks in ebook lobby are divided into different categories. Categories range from business, art, computing and education. Select the category appropriate to the e-book you’re looking for.
11. E-Books Space: Books you will find: “Computer IT, Programming Language, Software Development, Tutorial, Database Design in PDF-CHM file format.”
12. Library: The total of free ebooks in their directory are 12,473, total visits from eLibrary to ebook sites are 7,301,165.
13. Free Ebooks: Free-eBooks is an online source for free ebook downloads, ebook resources and ebook authors. Besides free ebooks, you also download free magazines or submit your own ebook.
You need to become a Free-EBooks.Net member to access their library. Registration is free.
14. U Find Book: Ufindbook is a website for free download of pdf ebooks from rapidshare ebooks.
15. Free Book Centre : Books you will find: “Freebookcentre.net contains links to thousands of free online technical books. Which Include core computer science, networking, programming languages, Systems Programming books, Linux books and many more”
16. Download Free PDF: Books you will find: “You’ll find a huge collection of Ebooks on various topics. Abap, Adobe, Ajax,Java, Asp, Calculus, C++, Cisco, Dream Weaver, HTML, J2ME, MBA, Networking, Oracle, PHP, Microsoft Windows, VBA, XP”
17. EBook-X: eBook-x lets you to download popular free ebooks, classical free ebooks, new releases and more.
18. E-Books Directory: E-Books Directory is a daily growing list of freely downloadable ebooks, documents and lecture notes found all over the internet. You can submit and promote your own ebooks, add comments on already posted books or just browse through the directory below and download anything you need.
19. BookBoon: Provides free ebooks for students and travelers in PDF format. No registration is required.
20. KnowFree: This is a site where you can exchange or download e-books freely, you can also exchange or download video training and other materials for educational purposes and self-practice.
21. Diesel eBook Store: Mainly a host of millions free ebooks. Specially a good place to Find Public Domain Free ebooks .
22. Get Free Books: Books you will find: “The ebooks which you find within this site are collected from all over the net.” Including a lot of magazines, articles and white papers, but most require you to register.