• Consortium for Educational Communication
  http://cec.nic.in

• eGyanKosh (IGNOU)
  http://www.egyankosh.ac.in/

• Library of Congress
  http://www.loc.gov

• National Digital Library of India
  https://ndl.iitkgp.ac.in/

• National Science Digital Library (NSDL)
  http://nsdl.org/

• Parliament Digital Library 
  https://eparlib.nic.in/

• The British Library
  http://www.bl.uk

• UNESCO Library
  http://www.unesco.org/library/

• Virtual Library
  http://www.vlib.org

• World Digital Library
  http://www.wdl.org

Science and Education Publishing (SciEP) is a multidisciplinary open access publisher of 85 Journals
http://www.sciepub.com/portal/journals

• Social Science Research Network (SSRN) - Worldwide dissemination of social science research.
  http://www.ssrn.com/

• SPIE Journals (Open Access)
  http://journals.spiedigitallibrary.org/journals.aspx

• Springer Open gives you free access in Science, Technology and Medicine.
  http://www.springeropen.com/

• Taylor & Francis Online :: Open Journals
  http://www.tandfonline.com/page/openaccess/openjournals

• The African Journal Archive
  http://www.sabinet.co.za/?page=african-journal-archive

• University of Tennessee - Research Guides - Citation Formats and Style Manuals, Databases and other e-resources collection.
  http://libguides.utk.edu/style

• 4eBooks has a huge collection of computer programming ebooks.
  http://4ebooks.org/

• Arts & Photography
  http://www.e-booksdirectory.com/listing.php?category=108

• Audio books
  http://www.audible.com/t1/PBRP0329WS022409?source_code=PBRP0310WS012709

• Baen Free Library is an online library of downloadable science fiction novels.
  http://www.baen.com/library/

• The Online Books Page is a Listing over 30,000 free books on the Web.
  http://digital.library.upenn.edu/books/

• The Public Library and Digital Archive
  http://www.ibiblio.org/

• Topics like biography, fiction, games, history or tutorials etc.
  http://www.free-ebooks.net/

• Tourism & Travel
  http://www.e-booksdirectory.com/listing.php?category=174

• UNESCO : Open Access Publications
  http://en.unesco.org/open-access/

• Cambridge Dictionaries Online
  http://www.dictionary.cambridge.org/

• Foreign Language Dictionary-French
  http://www.libraryspot.com/dictionaries/frenchdictionaries.htm

• Foreign Language Dictionary-Spanish
  http://www.libraryspot.com/dictionaries/spanishdictionaries.htm

• Librarian's Index to the Internet
  http://lii.org/

• Merriam-Webster
  http://www.merriam-webster.com/

• One Look Dictionaries
  http://www.onelook.com/

• Sahapedia - An open Encyclopedia on Indian Culture and Heritage
  http://www.sahapedia.org

• Scholarpedia
  http://www.scholarpedia.org

• Subject Dictionary-Business/Finance
  http://www.libraryspot.com/dictionaries/businessdictionaries.htm

• Subject Dictionary-Library and Information Science
  http://www.abc-clio.com/ODLIS/odlis_d.aspx

• Subject Dictionary-Medical Science
  http://www.medterms.com//main/hp.asp

• Subject Dictionary-Science
  http://www.libraryspot.com/dictionaries/sciencedictionaries.htm

• Subject Dictionary-Technology
  http://www.libraryspot.com/dictionaries/computerdictionaries.htm

• Wikipedia
  http://www.wikipedia.org

• Competitive E-magazine (Pratyogitha Darpan & Success Mirror)
  http://www.emagazine.pdgroup.in/

• digitalLEARNING: Learning Through ICTs
  https://digitallearning.eletsonline.com

• eGov
  https://egov.eletsonline.com/

• eHEALTH
  https://ehealth.eletsonline.com/

• Free ezines: offers 22 free magazines in different subject categories
  http://www.buzzle.com

• Indian Ocean Turtle Newsletter
  http://www.iotn.org

• e-PG Pathshala
  http://epgp.inflibnet.ac.in/

• MIT OpenCourseWare
  https://ocw.mit.edu

• Swayam
  https://swayam.gov.in/

• Utah State OpenCourseWare
  https://digitalcommons.usu.edu/ocw/