| Description | URL |
|---|
| Directory of Open Access Books | http://www.doabooks.org/ |
| Project Gutenberg - Free e-books | http://www.gutenberg.org/wiki/Main_Page |
| Digital Library of India | https://ndl.iitkgp.ac.in/ |
| Universal Digital Library - Million Books | http://ulib.isri.cmu.edu/ |
| Directory of Open Access Journals | http://www.doaj.org/ |
| Indian National Science Academy | https://insa.nic.in/ |
| Indian Academy of Science | http://www.ias.ac.in/ |
| NISCAIR Research Journals - India | http://www.niscair.res.in/ |
| National Center for Biotechnology Information | http://www.ncbi.nlm.nih.gov/ |
| Bioline International | http://www.bioline.org.br/ |
| BioMed Central | http://www.biomedcentral.com/ |
| HighWire Press | http://highwire.stanford.edu/ |
| Journal of Digital Information (JoDI) | http://jodi.tamu.edu/ |
| Molecular Diversity Preservation Intl. | http://www.mdpi.org/ |
| ERIC Database | http://www.eric.ed.gov/ |
| PubMed Central | http://www.pubmedcentral.nih.gov/ |
| Med-INDIA | http://medind.nic.in/ |
