DOAB Directory of Open Access Books - http://www.gutenberg.org/
INTECH Open Access Books - https://www.intechopen.com/books
AMS Free online Books - http://www.ams.org/publications/ebooks/ebooks
Project Gutenberg Free e-books - http://www.gutenberg.org/
National Digital Library of India - https://ndl.iitkgp.ac.in/
Google Books - https://books.google.co.in/
Free Computer Books - http://freecomputerbooks.com/
Open Library - https://openlibrary.org/
Free-eBooks - https://www.free-ebooks.net/
The Online Book Page - https://onlinebooks.library.upenn.edu/
Strategian (Multi disciplinary) - https://www.vocabulary.com/
Readprint - http://www.readprint.com/
Bibliomania - http://www.bibliomania.com/
PDF Drive eBooks - https://www.pdfdrive.com/
HathiTrust Digital Library - https://www.hathitrust.org/
International Children's Digital Library - http://en.childrenslibrary.org/
Planet Publish - http://www.planetpublish.com/
World e-Book Library - http://community.worldlibrary.in/
Librivox - https://librivox.org/
Online Programming Books - https://www.onlineprogrammingbooks.com/
Free eBooks from Poem Hunter - https://www.poemhunter.com/eBooks/
Many Books - https://manybooks.net/
Classic Children Book from the Library of Congress - http://www.read.gov/kids/
Storyline - https://www.storylineonline.net/
Elsevier - https://www.sciencedirect.com/
South Asia Archive (SAA) - http://www.southasiaarchive.com/unauthenticated
Project Gutenberg - http://www.gutenberg.org/
Open Research Library - https://openresearchlibrary.org/home
