1. Hathi Trust – https://www.hathitrust.org/ – A partnership of academic and research institutions, offering a collection of millions of titles digitised from libraries around the world.
  2. IEEExplorehttps://ieeexplore.ieee.org/Xplore/home.jsp – A range of books, across a variety of subjects many freely accessible
  3. IntechOpen – https://www.intechopen.com/ – Providing freely available, accessible dynamic academic content.
  4. Internet Archive – https://archive.org/ – A non-profit library of millions of free books, movies, software, music, websites, and more
  5. Library of Congress digital collection – https://www.loc.gov/collections/open-access-books/ -An ever-growing collection of contemporary open access e-books covering a wide range of subjects, including history, music, poetry, technology, and works of fiction. Items in this collection were published under open access licenses and may be read online or downloaded as a PDF or as an EPUB.
  6. Nothing in the rule book – https://nothingintherulebook.com/2017/01/10/55-places-you-can-download-tens-of-thousands-books-plays-and-other-literary-texts-completely-legally-for-free/?fbclid=IwAR3O0ZOko5hF7vWlnUVxZSSXxyiXqxF6v4t7UeBHC4rhXZK-oa4VwOnzuYw A creative collective and a community dedicated to enabling people to think for themselves, to focus on the things we want to do; the things we want to create. By making available materials that help in findings new ways the are endeavouring to illuminate this path for you.
  7. Obooko – https://www.obooko.com/ – a legal free e-book site, files are principally in PDF or ePub formats.
  8. Online Books (University of Pennsylvania) – http://onlinebooks.library.upenn.edu/lists.html – This local index includes more than 3 million works in various formats. All of which should be free at least for personal, non-commercial use and many are also more broadly reusable or redistributable.
  9. OpenStax – https://openstax.org/subjects – A publisher’s collection of open access textbooks mainly in the areas of business, science and technology with supporting teacher’s resources
  10. Oxford Academic (Books) – https://academic.oup.com/books – Over 20,000 books, including some of our latest publishing and prestigious series, are available for institutional access.
  11. Project Gutenberg – https://www.gutenberg.org/ – Access to over 70,000 free e-books to either view on-line or download. The oldest digitised library in the world
  12. Springer Open Access Books – https://link.springer.com/search?facet-content-type=%22Book%22&package=openaccess&utm_campaign=BBKK_4_CE02_SpringerOABhometoSL&utm_medium=referral&utm_source=springer&showAll=false&utm_content=RMarketing – Offering a range of open access books and chapters in a wide range of areas within science, technology and medicine (STM) and within the humanities and social sciences (HSS).