一、自己评分
自己给它一个评分（个人评判5分制）：
数据完整性：3分；
数据真实度：3分；
数据实用性：3分；
综合评价：3分。
如果觉得好，值得去收藏，点以下的网址链接，订阅我的文库吧：【免费数据源】（直接，点击，我的文库，名字（）免费数据源即可）
还有，希望有心的朋友，能分享出你拥有的一些数据资源给大家，谢谢了~~

二、感想
一直想学习英语，不过老是下不了决心，给自己整理一些网站吧。

三、数据源（帖子）
为你节省数百万美元，20个最全的免费外文电子书下载网站(同发其他网站) [color=rgb(153, 153, 153) !important]

https://bbs.pinggu.org/thread-1055372-1-1.html

四、内容（截取）（不提供下载）
包括很多的专业类、工程类、编程类、人文艺术类书籍。

We understand that reading is the most simplest way for human to derive and constructing meaning in order to gain a particular knowledge from a source. This tendency has been digitized when books evolve into digital media equivalent – E-Books.

It would be nice if we’re able to download free e-book and take it with us. That’s why we’ve again crawled deep into the Internet to compile this list of 20 places to download free e-books for your use. Full list after jump.

1、FreeBookSpot
FreeBookSpot is an online source of free ebooks download with 4485 FREE E-BOOKS in 96 categories which up to 71,97 GB.
http://www.freebookspot.co/
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、4eBooks
4eBooks 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。
http://4ebooks.org/

3、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。
http://www.free-ebooks.net/
4、ManyBooks
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.
http://www.manybooks.net/

5、GetFreeEBooks
GetFreeEBooks is a free ebooks site where you can download free books totally free. All the ebooks within the site are legal downloadable free ebooks.
http://www.getfreeebooks.com/

6、FreeComputerBooks
FreeComputerBooks consists of a huge collecti、on of free online Computer, Programming, Mathematics, Technical Books, Lecture Notes and Tutorials. It is very well categorized by topics, with 12 top level categories, and over 150 sub-categories.
http://www.freetechbooks.com/

7、FreeTechBooks
FreeTechBooks 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.
http://www.freetechbooks.com/


8、Scribd
Scribd, 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.
http://www.scribd.com/

9、Globusz
Globusz is a unique ePublishing house, specializing in free eBook downloads. They also provide an excellent Star Rating Showcase for new and evolving authors.
http://www.globusz.com/

10、KnowFree
KnowFree is a web portal where users are able to exchange freely e-books, video training and other materials for educational purposes and self-practice.
http://knowfree.net/

11、OnlineFreeEBooks
OnlineFreeEBooks provides links to various ebooks (mostly in pdf) spanning in 9 big categories which are: Automotive Ebooks, Business Ebooks, Engineering Ebooks, Gadget Ebooks, Hardware Ebooks, Health & Medical Ebooks, Hobbies Ebooks, Programming & Technology Ebooks, Sport & Martial Art Ebooks.
http://www.onlinefreeebooks.net/

12、MemoWare
MemoWare has 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.
http://www.memoware.com/

13、BluePortal.
http://www.zillr.org/


14、OnlineComputerBooks
OnlineComputerBooks contains details about free computer books, free ebooks, free online books and sample chapters related to Information Technology, Computer Science, Internet, Business, Marketing, Maths, Physics and Science which are provided by publishers or authors.
http://www.onlinecomputerbooks.com/


15、SnipFiles
SnipFiles offers you free ebooks and software legally by brought or attained PLR, resale or master rights to all the products on their page.
http://www.snipfiles.com/

16、BookYards
BookYards is a web portal in which books, education materials, information, and content will be freely to anyone who has an internet connection.
http://www.bookyards.com/

17、The Online Books Page
The Online Books Page is a Listing over 30,000 free books on the Web.
http://digital.library.upenn.edu/books/

18、AskSam Ebooks
AskSam Ebooks has a collection of free e-books like Shakespeare, and assorted legal & governmental texts.
http://www.asksam.com/ebooks/


19、Baen Free Library.
http://www.baen.com/library/

20、EBookLobby
Free ebooks in eBookLobby are divided into different categories. Categorys range from business, art, computing and education. Select the category appropriate to the e-book you’re looking for
http://www.ebooklobby.com/

更多免费外文书籍网址：
PlanetPDF – A small collection of classic novels all in PDF format.
http://www.planetpdf.com/free_pdf_ebooks.asp?CurrentPage=1

DailyLit – Read books online by daily email and RSS feed.
http://www.dailylit.com/

Wikibooks – Wikibooks is a Wikimedia community for creating a free library of educational textbooks that anyone can edit.
http://en.wikibooks.org/wiki/Main_Page

Dwalin – Free novels in text format.
http://dwalin.ru/books/

Project Gutenberg – Free ebooks from producers.
http://www.gutenberg.org/browse/scores/top

Adobe Free eBooks – In Adobe’s Free eBooks area, you can download, unlock, and read electronic books on your personal computer or reading device.
http://www.adobe.com/epaper/ebooks/freebooks.html

Alive & Free – A page of links to some recent books from living authors available free online.
http://www.c3f.com/alivfree.html

Franklin – Thousands of free titles in text and HTML file formats.
http://www.franklin.com/freelibrary/