A. OPEN ACCESS E-BOOKS PLATFORM
1. American Verse Project (https://quod.lib.umich.edu/a/amverse/)
2. Authorama Public Domain Books (http://www.authorama.com/)
3. Bibliomania (http://www.bibliomania.com/)
4. Bookboon (https://bookboon.com/)
5. Bookyards (https://www.bookyards.com/mobile/authors.php)
6. DE GRUYTER (https://www.degruyter.com/page/open-access-books)
7. Digital Library of India (DLI) (http://www.dli.ernet.in/)
8. Directory of Open Access Books (DOAB) (https://www.doabooks.org/)
9. E-Book Lobby (https://ebooklobby.com/)
10. E-Books Directory (https://www.e-booksdirectory.com/)
11. E-GayanKosh (http://www.egyankosh.ac.in/)
12. ERUDIT (https://www.erudit.org/en)
13. Free Book Spot (http://www.freebookspot.es/)
14. Free eBooks for Life (https://www.free-ebooks.net/)
15. Free Engineering Books (http://www.freeengineeringbooks.com/)
16. Freebookcentre.net (http://freebookcentre.net/)
17. Get Free eBooks (https://www.getfreeebooks.com/)
18. Google Books (https://books.google.com/)
19. Hathi Trust Digital Library (http://www.hathitrust.org/)
20. Intech (https://www.intechopen.com/books)
21. Internet Archive (https://archive.org/)
22. JSTOR (https://about.jstor.org/whats-in-jstor/books/open-access-books-jstor/)
23. Knowledge Unlatched (https://www.knowledgeunlatched.org/)
24. Librarian Resources (https://librarianresources.taylorandfrancis.com/books/taylor- francis-open-access-books/#)
25. Libri Vox (https://librivox.org/)
26. Many Books (https://manybooks.net/)
27. MIT Online Textbooks (https://ocw.mit.edu/courses/online-textbooks/)
28. National Digital Library-NDL (https://ndl.iitkgp.ac.in)
29. Northcentral University Library (https://ncu.libguides.com/ebooks/openaccess)
30. OAPEN (https://oapen.org/)
31. OPEN ACCESS E-BOOKS (https://openaccessebooks.com/)
32. Open Library (https://openlibrary.org/)
33. Open Textbook Library (https://open.umn.edu/opentextbooks)
34. Palgrave Macmillan (https://www.palgrave.com/gp/rights-permissions/open)
35. PDF Drive (https://www.pdfdrive.com/)
36. Project Gutenberg (http://www.gutenberg.org/)
37. Public Books Database (https://www.publicbooks.org/public-books-database/)
38. Rare Book Room (http://www.rarebookroom.org/)
39. Read Print (http://www.readprint.com/)
40. Social Science Cyber Library (https://www.socsccybraryamu.ac.in/)
41. Springer Open Books (https://link.springer.com)
42. World eBook Library (http://community.worldlibrary.in/)
43. World Library Foundation Branches and Portals (http://worldlibraryfoundation.com/)
B. OPEN ACCESS E-JOURNALS PLATFORM
1. AIRCC (http://airccse.org/journal.html)
2. BioMed Central-BMC (https://www.biomedcentral.com/)
3. COGENT OA (https://www.cogentoa.com/)
4. DOAJ (https://doaj.org/)
5. ElSEVIER (https://www.elsevier.com/about/open-science/open-access/open-access- journals)
6. ERUDIT (https://www.erudit.org/en)
7. HIGHWIRE (https://www.highwirepress.com/)
8. IEEE Open Access Journal (https://open.ieee.org/)
9. Indian Academy of Sciences (https://www.ias.ac.in/Journals/Overview/)
10. Indian Society for Education and Environment (https://www.iseeadyar.org/)
11. Indianjournals.com (https://www.indianjournals.com/ijor.aspx)
12. JSTOR (https://about.jstor.org/oa-and-free/)
13. KARGER (https://www.karger.com/OpenAccess)
14. Knowledge Unlatched (https://www.knowledgeunlatched.org/)
15. 
LUND UNIVERSITY LIBRARIES (https://www.lub.lu.se/en/services- support/publishing-registering/open-access)
16. MDPI (https://www.mdpi.com/about/journals/wos)
17. National Digital Library-NDL (https://ndl.iitkgp.ac.in)
18. NISCAIR Online periodicals Repository (http://nopr.niscair.res.in/)
19. 
Notre Dame De Namur University (https://www.ndnu.edu/academics/open-and-free- journals-books-theses-and-dissertations/)
20. OMNICS OPEN ACCESS (https://www.omicsonline.org/)
21. Open Access Journals from Scopus (https://www.scopus.com/sources.uri)
22. Open Access Library (https://www.oalib.com/)
23. Open Knowledge Repository (https://openknowledge.worldbank.org/)
24. OXFORD ACADEMIC (https://academic.oup.com/journals/pages/open_access)
25. Public Library of Science-PLOS (https://plos.org/)
26. PubMed Central (https://www.ncbi.nlm.nih.gov/pmc/)
27. Science Direct OAJ (https://www.sciencedirect.com/browse/journals-and-books)
28. Springer OAJ (https://www.springeropen.com/)
29. Taylor & Francis (https://www.tandfonline.com/openaccess)
30. THIEME OPEN (https://open.thieme.com/web/19/home)
31. Web of Science OAJ (https://clarivate.com/webofsciencegroup/solutions/open- access/)
C. OPEN ACCESS DATEBASES
1. Project Muse (https://muse.jhu.edu/)
2. Science.gov ((https://www.science.gov/index.html)
D. DIGITAL LIBRARY
1. National Digital Library-NDL (https://ndl.iitkgp.ac.in)
2. Tamil Virtual Library (http://tamildigitallibrary.in)
3. UPenn Digital Library (https://onlinebooks.library.upenn.edu/)
E. INSTITUTIONAL REPOSITORIES WORLD
1. Arxiv.org e-print Archive (http://arxiv.org/)
2. CERN Document Server (http://cds.cern.ch/)
3. CiteSeerX (https://citeseerx.ist.psu.edu/index)
4. Research Paper in Economics (http://repec.org/)
5. Smithsonian/NASA Astrophysics Data System (https://ui.adsabs.harvard.edu/)
6. Social Science Research Network-SSRN (https://www.ssrn.com/index.cfm/en/)
7. University of California E-Scholarship Repository (https://escholarship.org/)
F. INSTITUTIONAL REPOSITORIES INDIA
8. CMFRI (http://eprints.cmfri.org.in/)
9. Digital Repository of Indian Institute of Astrophysics (http://prints.iiap.res.in/)
10. IISc Bangalore (http://eprints.iisc.ac.in/index.html)
11. Indian Academy of Sciences (http://repository.ias.ac.in/index.html)
12. INFLIBNET IR (http://ir.inflibnet.ac.in/)
13. International Crops Research Institute for Semi-Arid Tropics (http://eprints.icrisat.ac.in/)
14. National Aerospace Laboratories Institutional Repository (http://nal-ir.nal.res.in/)
G. OPEN ONLINE LEARNING TOOLS
1. Queensland University of Technology (https://www.qut.edu.au/study/open-online- learning)
H. OPEN ACCESS VIDEO LECTURES
1. Academic earth (https://academicearth.org/)
2. Engineering tube (https://engineeringtube.net/)
3. NPTEL Online Courses (https://nptel.ac.in/)
4. Video Lecture (http://videolectures.net/