| Name | Link |
|---|---|
| Google books | https://books.google.com/ |
| Free E- books for life | https://www.free-ebooks.net/ |
| Google books | https://books.google.com/ |
| Intech Open Books | https://www.intechopen.com/books |
| Knowledge Unlatched | https://www.knowledgeunlatched.org/ |
| Palgrave Macmillan | https://www.palgrave.com/gp/social-science |
| Project Gutenberg | https://www.gutenberg.org/ |
| PDF drive | https://www.pdfdrive.com/ |
| Open Textbook Library | https://open.umn.edu/opentextbooks/books |
| Open Access eBooks | https://openaccessbooks.com/ |
| Jstro | https://about.jstro.org/librarians/books/open-access-books-jstor/ |
| Internet Archive | https://www.intechopen.com/books |
| Erudite | https://www.erudit.org/en |
| Free Books Spot | https://www.freebookspot.club/default.aspx |
| E-Books Directory | https://www.e-booksdirectory.com/ |
| E-Books Directory | https://www.e-booksdirectory.com/ |
| Directory of Open Access Books | https://www.doabooks.org/ |
| National Digital Library Of India | https://ndl.iitkgp.ac.in/ |