Digital Library 
1 National Digital Library    www.ndl.iitkgp.ac.in
E-Journals
1 Directory of Open Access Journals www.doaj.org
2 Journal of Digital Information www.journals.tdl.org
3 The Free Library www.thefreelibrary.com
4 NISCAIR Research Journals www.nopr.niscair.res.in/
5 Open Access Library www.oalib.com
6 Open Science Directory www.opensciencedirectory.net
7 Scientific Journals International http://www.scientific-journal.com/
8 Springer Open www.springeropen.com
E-Books  
     
1 Directory of Open Access Books www.doabooks.org/doab
2 Project Gutenberg https://www.gutenberg.org/
3 OAPEN          www.oapen.org
4 PDF Drive www.pdfdrive.com
5 Libri vox       www.librivox.org
E-Thesis & Dissertations  
     
1 Mahatma Gandhi University (Online Thesis Library) www.mguthesis.org
2 Shodhganga www.shodhganga.inflibnet.ac.in
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