BCcampus Open Education
The B.C. Open Textbook Collection is home to a growing selection of open textbooks for a variety of subjects and specialties. Discover open textbooks that have been reviewed by faculty, meet our accessibility requirements, and/or include ancillary materials (quizzes, test banks, slides, videos, etc.).
 

Bookyards
This website carry mission to provide the same information and content that one can receive at any large public library, and to provide it through the world wide web. Their goal/dream is to be 'The Library to the World', in which books, education materials, information, reference materials, documents, and content will be provided freely to anyone who has an internet connection. By providing it in a format that will be both easy to use, useful and interesting. This website requires users to have an account to access contents.
 

CK-12
The CK-12 Foundation is a California-based non-profit organization which aims to increase access to low-cost K-12 education in the United States and abroad. It provides a library of free online textbooks, videos, exercises, flashcards and real world application over 5000 concepts. This sites offers free online viewing only.
 

Digilibraries
It offers a digital source of free eBooks for any taste, a vast range of titles in digital format and our free eBooks collection is growing all the time. The aim of the site is to give quality, fast and required services for downloading and reading eBooks. Offers free online reading and downloading.
 

Directory of Open Access Books
The primary aim of DOAB is to increase discoverability of Open Access books.
 

eBooklobby
Categorys range from business, art, computing and education. This website offers free limited access.
 

Ebooks Go
Library of free ebooks available under free ebooks licenses such as GFDL, Creative Commons license, Project Gutenberg-tm License. This website offers free limited access.
 

eCampusOntario Open Library
The eCampusOntario Open Library provides educators and learners with access to more than 1,200 free and openly-licensed educational resources. The library was launched in 2017 in partnership with BCcampus. Since the initial launch, eCampusOntario has sought to continually improve the library to meet the needs of Ontario’s postsecondary educators and learners.
 

Filipinas Heritage Library
This library offers free online library resources for online viewing only about Philippine History, anthropology, art, science, government, journalism, general references,etc.
 

FreeBooks4Doctors
Free Medical Books.
 

Free-Ebooks
Thousands Of FREE Books To Read Whenever & Wherever You Like! The AWESOME Power Of Knowledge, Right At Your Fingertips! This website  requires users to have an account for content access.
 

Harvard University
Internet Archive: Books sponsored or contributed by Harvard University. This website offers free limited access.
 

Intechopen
Intechopen provides free access of e-books and e-journals within the fields of science, technology, and medicine. This website offers free online reading only.
 

International Children's Digital Library
A free online library of digitized children s books in many languages from various countries. It caters to children ages 3 to 13. This sites offers free online viewing only.
 

Internet Archive
The Internet Archive, a digital library of Internet sites and other cultural artifacts in digital form. Like a paper library, we provide free access to researchers, historians, scholars, the print disabled, and the general public. Our mission is to provide Universal Access to All Knowledge. Need to have account / not downloadable but can be loaned out (online reading) e-books can be borrowed for 14 days
 

JSTOR
Open and free content on JSTOR and Artstor. JSTOR is part of ITHAKA, a not-for-profit organization helping the academic community use digital technologies to preserve the scholarly record and to advance research and teaching in sustainable ways.
 

Luminos
Luminos is University of California Press’s Open Access publishing program for monographs. With the same high standards for selection, peer review, production and marketing as our traditional program, Luminos is a transformative model, built as a partnership where costs and benefits are shared.
 

Mason OER Metafinder (MOM)
The Mason OER Metafinder helps you find Open Educational Resources. Unlike other OER discovery sites (e.g, OER Commons, OASIS, MERLOT, OpenStax, etc.) with our Metafinder you aren’t searching a static database that we’ve built. Instead, the OER Metafinder launches a real-time, simultaneous search across 21 different sources of open educational materials as you hit the Search button.
 

MERLOT
The MERLOT system provides access to curated online learning and support materials and content creation tools, led by an international community of educators, learners and researchers.
 

NCBI Bookshelf
National Center for Biotechnology Information bookshelf provides free access to books and documents in life science and healthcare. Supports online reading only.
 

OAPEN
OAPEN works with publishers to build a quality controlled collection of open access books, and provides services for publishers, libraries and research funders in the areas of deposit, quality assurance, dissemination, and digital preservation.
 

OASIS
Openly Available Sources Integrated Search (OASIS) is a search tool that aims to make the discovery of open content easier. OASIS currently searches open content from 117 different sources and contains 388,707 records.
 

OER Commons
OOER Commons offers a comprehensive infrastructure for curriculum experts and instructors at all levels to identify high-quality OER and collaborate around their adaptation, evaluation, and use to address the needs of teachers and learners. Diving into OER Commons is an exciting opportunity to collaborate with other educators and learners, at the forefront of a new educational era.
 

Open Culture
Free eBooks for Kindle, iPad/iPhone, computer, smart phone or e-reader. This is good for general subjects and reading online.
 

Openlibrary
Open Library is an initiative of the Internet Archive, a 501(c)(3) non-profit, building a digital library of Internet sites and other cultural artifacts in digital form. Other projects include the Wayback Machine, archive.org and archive-it.org. For online reading and some titles can be dowloaded but old copyright year.
 

Open textbook library
Open textbooks are textbooks that have been funded, published, and licensed to be freely used, adapted, and distributed. This OER site contains various subject (allied and non-allied) free download up to 5 books / per. Other option is to make an account using gmail to download 10books per day.
 

Project Gutenberg
Project Gutenberg is a library of over 60,000 free eBooks. Choose among free epub and Kindle eBooks, download them or read them online. You will find the world's great literature here, with focus on older works for which U.S. copyright has expired. Thousands of volunteers digitized and diligently proofread the eBooks, for enjoyment and education.
 

Sa Pagbasa Hindi ka Nag-iisa
Collection of submitted storybook entries from the Philippine National Competition on Storybook Writing with other children's literature pieces from Filipino writers and illustrators.This site offers free online viewing and downloading.
 

Springer Nature
Springer Nature publishes open access (OA) books and chapters under its SpringerOpen and Palgrave Macmillan imprints. We helped to pioneer open access book publishing, first piloting open access publication for books in 2011. We publish open access books across a wide range of areas in science, technology, medicine (STM), and humanities and social sciences (HSS).
 

The Online Books Page
Able to access over 35,000 free ebooks from this site, powered by the University of Pennsylvania. Readable online.