Academic peer-reviewed books and chapters from 195 publishers.
OAPEN Library
OAPEN Library (Open Access Publishing in European Networks) is a European portal for open access e-books. The books are mainly from the Humanities and Social Sciences. Amongst publishers are several significant academic publishers, for example Brill, Macmillan and Taylor & Francis.
OpenStax
OpenStax breaks down barriers to knowledge and education with its free, high-quality, openly licensed textbooks integrated with personalized learning technology.
bookboon.com
Online textbooks for students.
INTECH
World’s largest Science, Technology & Medicine Open Access book publisher.
Project Gutenberg
Offers more than 36,000 free e-books for downloading.
UC Press E-Books Collection, 1982-2004
E-books from University of California Press, more than 700 of the titles are available to the public.