Open Access Books/Publishing Directories

Free Medical Journals http://www.freemedicaljournals.com
Institutional Archives Registry http://roar.eprints.org
Open Access Directory  http://oad.simmons.edu/oadwiki/Main_Page
DOAR  http://www.opendoar.org
ROAR http://roarmap.eprints.org
ROAD  http://road.issn.org

Open Access Search Engines

BASE: Bielefeld Academic Search Engine  http://www.base-search.net
CiteSeerX  http://citeseerx.ist.psu.edu
Core: Connecting Repositories  http://core.kmi.open.ac.uk/search
Google Scholar  http://scholar.google.co.in
Microsoft Academic Search http://academic.research.microsoft.com
OAIster (WorldCat)http://oaister.worldcat.org
OAJSE http://www.oajse.com
JURN  http://www.jurn.org

Indian Open Access Journals

CSIR-NISCAIR http://www.niscair.res.in/periodicals/researchjournals
Indian Academy of Science  http://www.ias.ac.in/Journals/Overview
Medknow Journals http://www.medknow.com

Open Access Journal Publishers

Computational psychiatry  http://computationalpsychiatry.org
Intech  http://www.intechopen.com
Journal Springer Open  http://journal.chemistrycentral.com
Network Neuroscience  http://www.mitpressjournals.org/netn
Open Mind http://open-mind.net
PLoS  http://www.plos.org
Biomed Central http://www.biomedcentral.com
PeerJ https://peerj.com

Open Access E-books

Alex Catalogue of Electronic Texts http://infomotions.com/alex
Amedeo Challenge http://www.amedeochallenge.com
Authorama http://www.authorama.com
Bartleby http://www.bartleby.com
eBooks@Adelaide https://ebooks.adelaide.edu.au
OAPENhttp://www.oapen.org/home
Open Library https://openlibrary.org
InTech open Books http://www.intechopen.com/books
Project Gutenberg http://www.gutenberg.org
Read Print http://www.readprint.com
Rare Book http://www.rarebookroom.org
The Universal Digital Library Million Book Collection http://ulib.isri.cmu.edu/

Open Textbook Projects/ Portals

Luminos (University of California Press) https://www.luminosoa.org/
eCampusOntario Open Library  https://openlibrary.ecampusontario.ca/
Merlot https://www.merlot.org/merlot/
UCL Press Open Access Books  https://www.uclpress.co.uk/collections/open-access
Openstax https://openstax.org/
Open Textbook Library https://open.umn.edu/opentextbooks
Open SUNY Textbooks https://milneopentextbooks.org/
MIT OpenCourseWare: Online Textbooks  https://ocw.mit.edu/courses/onlinetextbooks/
Open Book Publishers https://www.openbookpublishers.com/
NOBA  https://nobaproject.com/
Saylor  https://www.saylor.org/
MIT open courseware https://ocw.mit.edu/index.htm
LibreTexts: Free the Textbook https://libretexts.org/

Open Access Standard Sources

ECMA International open standards http://www.ecma-international.org/publications/standards/Standard.htm
OASIS Open standards https://www.oasis-open.org/standards
Open Geospatial Consortium http://www.opengeospatial.org/standards/is
World Wide Web Consortium Open Standard http://open-stand.org

Open Access Patent Sources

AusPat http://pericles.ipaustralia.gov.au/ols/auspat/quickSearch.do
Esp@cenethttp://ep.espacenet.com
Indian Patent Office  http://ipindiaservices.gov.in/publicsearch
US Patent and Trademark Office (PTO)  http://patft.uspto.gov

Open Access ETD Sources

Australian University Theses & Dissertationshttp://trove.nla.gov.au/result?q=+&lformat=Thesis
DiVA portal http://www.diva-portal.org/smash/search.jsf
NDTLD  http://www.ndltd.org

Open Access Theses and Dissertations

OATD  http://oatd.org
PQDT OPEN: ProQuest Digital Theses  http://pqdtopen.proquest.com
ShodhGanga, India http://shodhganga.inflibnet.ac.in
Theses Canada (Library and Archives Canada)  http://www.collectionscanada.gc.ca/thesescanada/index-e.html

Open Education Courseware

MIT Open Courseware (OCW)  http://ocw.mit.edu
NPTEL  http://nptel.ac.in
OpenMichigan http://open.umich.edu/education
Oxford Mathematics OpenCourseWare https://courses-archive.maths.ox.ac.uk/
Open Yale Courses  http://oyc.yale.edu/courses
Notre Dame http://ocw.nd.edu
Johns Hopkins OpenCourseWare http://ocw.jhsph.edu
Carnegie Mellon  http://oli.cmu.edu/learn-with-oli/see-our-free-open-courses

Consortium of Open Courseware (OCW)

GUIDE – Global Universities in Distance Education http://www.guideassociation.org
ISSUU: Open Course Ware Consortium  http://issuu.com/ocwconsortium
OCW Consortium Europe  http://www.opencourseware.eu
Social Science Research Network  https://www.ssrn.com/en
Ocw Universia Consortium  https://www.oeconsortium.org/members/view/215/

Open Online Learning Tools

Codecademy  http://www.codecademy.com
Coursera  https://www.coursera.org
Duolingo  https://www.duolingo.com
Edx  https://www.edx.org
EduTopia https://www.edutopia.org/blog/googles-open-course-builder-todd-finley
Khan Academy  https://www.khanacademy.org

Massive Open Online Courses 

Open Online education https://edu.google.com/openonline/index.html
Purdue OWL https://owl.english.purdue.edu/owl
Queensland University of Technology  https://www.qut.edu.au/study/open-online-learning
Udemy https://www.udemy.com

Virtual Libraries/Subject Gateways

Hathi Trust Digital Library  https://www.hathitrust.org
Infoport  http://infoport.inflibnet.ac.in
Internet Public Library http://www.ipl.org
Intute http://www.intute.ac.uk
Social Science Cyber Library http://www.socsccybraryamu.ac.in/index.php/users-component/subject-gateways
Vifamath: the Virtual Library of Mathematics  http://vifamath.de
WWW Virtual Library  http://vlib.org
WorldWideScience.org https://worldwidescience.org/

Open Access Video Lectures

Academic Earth  http://academicearth.org
Engineering Tube http://engineeringtube.net
Free Lecture videos  http://www.freelecturevideos.com
Free Science Videos and Lectures  http://www.freesciencelectures.com
Open Yale courses http://oyc.yale.edu
Video Lecture https://videolectures.net/

Directory of Open Access Journals

Directory of Open Access Journals or DOAJ is an online directory that indexes and provides access to quality Open Access, peer-reviewed journals. To access please

Click Here:    http://doaj.org.

Directory of Open Access Books

Directory of Open Access Books (DOAB) is a community-driven discovery service that indexes and provides access to scholarly, peer-reviewed open access books and helps users to find trusted open access book publishers. All DOAB services are free of charge and all data is freely available.

Click Here : Directory of Open Access Books

Directory of Open Access Repositories

Open DOAR is the quality-assured, global Directory of Open Access Repositories. We Host repositories that provide free, open access to academic outputs and resources. Each repository record within open DOAR has been carefully reviewed and processed by a member of our editorial team which enables us to offer a trusted service for the community.