Baen Free Library
A free e-book library specifically for sci-fi/fantasy novels is unique in that all the books that are available there have been uploaded (or approved for upload) by authors themselves.
CK-12
CK-12 has free resources for students, parents, teachers, schools, and districts.
Directory of Open Access Books
The primary aim of DOAB is to increase the discoverability of Open Access books. The directory is open to all publishers who publish academic, peer-reviewed books in Open Access and should contain as many books as possible, provided that these publications are in Open Access and meet academic standards.
FeedBooks
E-book retailer providing access to thousands of public domain books.
Free Computer Books.com
Free computer, mathematics, technical books, and lecture notes.
Free-Ebooks.net
It consists of thousands of free ebooks to read, whenever and wherever you like.
Get Free Ebooks
Download free ebooks, videos, and infographics.
Google Books
Google Books is a service from Google Inc. that searches the full text of books and magazines that Google has scanned, converted to text using optical character recognition, and stored in its digital database.
InTech Open Access Books
Science, Technology & Medicine Open Access book publisher.
Internet Archives
The Internet Archive offers over 20,000,000 freely downloadable books and texts. There is also a collection of 1.3 million modern eBooks that may be borrowed by anyone with a free archive.org account.
IRRI (International Rice Research Institute) Online Resources
View or download online resources and publications on rice research and rice-related technologies from the website of IRRI.
LibriVox
Contains 14,000 audiobooks and listen to Lullaby-Land: Songs of Childhood, a poetry collection by American author Eugene Field, read as a solo by SweetHome.
Many Books. Net
Browse through the most popular titles, recommendations, or recent reviews from the visitors. Perhaps you’ll find something interesting in the special collections. There are more than 29,000 eBooks available for Kindle, Nook, iPad, and most other eReaders, and they’re all free!
National Academies Press
It covers subjects on Engineering & Technology, Health & Medicine, Earth Sciences, Environmental Studies, Energy conservations, food & Nutrition, etc.
NCBI Bookshelf
Online access to books and documents in life science and healthcare.
Open Access Ebooks
Open Access eBooks is an international publisher of eBooks. Open Access eBooks cover different disciplines of science, technology, and medicine. Each eBook contains around 6 or 7 book chapters providing the latest information to the readers.
Planet Ebook
It publishes a selection of high-quality eBooks — each a genuine alternative for readers wanting to enjoy reading a book without having to pay for it.
PressBooks
Research assignments—resulting in final products such as term papers, essays, posters, multimedia projects, blog posts, 3-D models, etc.—are a common requirement in college courses, but they can also be a source of stress when you aren’t sure what to do. This guide is intended to decrease your stress and increase your comfort with such assignments.
Project Guttenberg
Deals specifically with older books such as classic novels and reference materials, and are free in the United States because their copyright has expired. Gutenberg has over 42,000 free e-books available.
Scribd.com
It provides an American e-book and audiobook subscription service that includes one million titles. Scribd hosts 60 million documents on its open publishing platform.
Tech Books
Free download books on technology, science, and computer.
