| National Digital Library | https://ndl.iitkgp.ac.in/ |
| e-PG Parthshala | https://epgp.inflibnet.ac.in/ |
| Knowledge Gainer | http://164.100.247.28/ |
| Journal of Digital Information | http://journals.tdl.org/jodi/ |
| Indian Academy of Sciences | https://www.ias.ac.in/ |
| Bioline International | http://www.bioline.org.br/ |
| BioMed Central | https://www.biomedcentral.com/ |
| Indian Journals | https://www.indianjournals.com/ijor.aspx |
| MedIND | http://medind.nic.in/ ? |
| Journal of Postgraduate Medicine | http://www.jpgmonline.com/ |
| Medknow Publications | http://www.medknow.com/ |
| Molecular Diversity Preservation International (MDPI) | https://www.mdpi.com/ |
| Journal of Nutrition | https://academic.oup.com/jn |
| Indian Journal of Public Health | http://www.ijph.in/ |
| Indian Journal of Science and Technology | https://www.indjst.org/ |
| Theoretical Economics | https://econtheory.org/ |
| International journals of Scientific and Research Publications | http://www.ijsrp.org/ |
| Science Publishing Group | http://www.sciencepublishinggroup.com/home/index |
| Arkat USA-organic Chemistry | https://www.arkat-usa.org/ |
| PMC | https://www.ncbi.nlm.nih.gov/pmc/ |
| Asian Network for Scientific Information | https://www.ansinet.com/ |
| Mars land Press-Multidisciplinary Academic Journal publisher | http://www.sciencepub.net/ |
| PLOS | https://plos.org/ |
| OMICS publishing Group | https://www.omicsonline.org/ |
| Bentham Science | https://benthamscience.com |
| Taylor & Francis open access journals | https://www.tandfonline.com/openaccess |
| Wiley Open Access | https://authorservices.wiley.com/open-research/open-access/index.html |
| Royal Society | https://royalsociety.org/journals/ |
| Science Publications | https://thescipub.com/ |
| Google Scholar | https://scholar.google.co.in/ |
| Free Medical Journals | http://www.freemedicaljournals.com/ |
| Directory of Open Access Journals | https://doaj.org/ |
| BASE- Bifeld Academic Search Engine | https://www.base-search.net/index.php |
| RePEc (Research papers in Economics) | http://repec.org/ |
| SSRN- Social Science Research Network | https://papers.ssrn.com/sol3/DisplayAbstractSearch.cfm |
| Registry of Open Access Repositories | http://roar.eprints.org/ |
| OAIster | https://oaister.worldcat.org/ |
| Science Direct-open Access | https://www.sciencedirect.com/browse/journals-and-books |
| ABC-Chemistry:Directory of full Text Journals in Chemistry | http://abc-chemistry.org/ |
| International Journals | https://airccse.org/journal/ijwest/ijwest.html |
| Springer Journals | https://link.springer.com/ |
| Bioline | www.bioline.org.br |
