Harvard University(free registration):
https://www.edx.org/
National Digital Library Project of India (free
registration : developed by IIT, Kharagpur):
https://www.ndl.gov.in/ or https://ndl.iitkgp.ac.in/ to access
academic resources free of cost.
Open Yale Courses:
https://oyc.yale.edu/courses
South Asian Archive:
http://www.southasiaarchive.com/
Jstor:
https://www.jstor.org/open/
Project Muse:
https://about.muse.jhu.edu/muse/open-access-overview/
ProQuest:
rich repository of humanities and social sciences:
https://pqdtopen.proquest.com/search.html
WBDSPACE: Huge
resource of rare books on Sanskrit, Bengali, English, Santali, History, Politics, Sociology, Psychology etc.
:
http://dspace.wbpublibnet.gov.in:8080/jspui/
Social Science
Research Network
https://www.ssrn.com/index.cfm/en/
CORE: Humanities and
social sciences eResources:
https://core.ac.uk/
ScienceOpen: for all
areas of science including climate change and ageing:
https://www.scienceopen.com/
ar.Xive.org : All
areas of science resources supported by Cornell University
https://arxiv.org/
Paperity:
multidisciplinary eResource
https://paperity.org/
Dryad: huge resource
for scientific research data
http://www.datadryad.org/
Ethos: 500,000
doctoral theses in all areas made available by British Library
https://ethos.bl.uk/Home.do
Huge resource of
doctoral theses made available by Australian National University
https://openresearch-repository.anu.edu.au/handle/1885/3
DART Europe: doctoral
theses from all over Europe:
http://www.dart-europe.eu/basic-search.php
Ebsco host: doctoral
theses on literature, politics, international relations, law, history,
sociology etc:
http://web.b.ebscohost.com/ehost/search/basic?vid=0&sid=011781a7-3b64-4269-a279-03accd843045%40sessionmgr120
SemanticScholar:
science-related resource
https://www.semanticscholar.org/?gclid=Cj0KEQiAkO7CBRDeqJ_ahuiPrtEBEiQAbYupJfG10GEbuSyABnQkt3G-wMpzMcw1Q01zzAr3aOvl8-QaAtUr8P8HAQ
DLC: supported by
Indiana University
http://dlc.dlib.indiana.edu/dlc/
BASE:
interdisciplinary resources provided by Bielefeld University, Germany
https://www.base-search.net/
Trove: resources for
digitised Australian newspapers (since 19th century), govt gazettes,
books, journals, maps etc provided by National Library of Australia :
https://trove.nla.gov.au/