| Open Access Books | |
|---|---|
| The Online Books Page Listing over 3 million free books | http://onlinebooks.library.upenn.edu/lists.html |
| Digital Book Index | http://www.digitalbookindex.org/ |
| Pakistan Research Repository | http://prr.hec.gov.pk/jspui/ |
| Directory of Open Access Books Over 60,000 academic peer-reviewed books | https://www.doabooks.org |
| OAPEN Online library and publication platform | https://www.oapen.org/ |
| IntechOpen books | https://www.intechopen.com/books |
| Springer Open Access Books | Springer Open Access Books |
