Open Access Portals

Open access

AcademicJournals

Over 100 academic open access journals, many from developing countries

Open access

AGORA – Access to Global Online Research in Agriculture

(research4life)

Free or low cost access to over 15,000 journals and 50,000 books for developing countries

Open access

agrirXiv

(CABI Digital Library)

agriRxiv (pronounced ‘agri-archive’) is a free, open access source of unpublished preprints across the agricultural sciences. It is hosted and managed by CABI, an international, inter-governmental, not-for-profit organization that improves people’s lives worldwide by providing information and applying scientific expertise to solve problems in agriculture and the environment.

Open access

AJOL – African Journals Online 

(INASP – International Network for the Availability of Scientific Publications)

Access to over 600 African scientific journals; about half have free full text, others feature a document delivery service

Open access

AMEDEO – The Medical Literature Guide

Current awareness service + index of medical articles; free abstracts

Open access

arXiv

(Cornell University)

arXiv is a free distribution service and an open-access archive for over 2 million scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics. Materials on this site are not peer-reviewed by arXiv.

Open access

ASIAJOL – Asia Journals Online

Portal to scholarly journals published in Bangladesh, Nepal, The Philippines, Vietnam, Sri Lanka and Indonesia

Open access

ASM Journals

(American Society for Microbiology)

Access to 13  ASM journals and dozens of special collections; open access after embargo of 4 months

Open access

BASE – Bielefeld Academic Search Engine

(Universität Bielefeld)

Open access repositories harvester: hundreds of millions of documents from over 10,000 repositories

Open access

Bepress

“bepress: the new standard in scholarly publisher”

Open access

Bioline International

(Brazil)

Over 50 open access journals from various developing countries

Open access

bioRxiv 

(Cold Spring Harbor Laboratory)

bioRxiv (pronounced “bio-archive”) is a free online archive and distribution service for unpublished preprints in the life sciences. It is operated by Cold Spring Harbor Laboratory, a not-for-profit research and educational institution. By posting preprints on bioRxiv, authors are able to make their findings immediately available to the scientific community and receive feedback on draft manuscripts before they are submitted to journals.

Open access

BMC – BioMed Central Journals

Over 300 digital-only open access journals

Open access

CAIRN – Chercher, Repérer, Avancer

500 revues de sciences humaines et sociales

Open access

chemRxiv

(collaboration of various societies)

ChemRxiv (pronounced ‘chem-archive’) is a free submission, distribution, and archive service for unpublished preprints in chemistry and related areas. ChemRxiv gives researchers across a broad range of fields related to the chemical sciences the opportunity to share early results with colleagues and receive recommendations for improvement, ahead of formal peer review and publication.

Open access

COBRA – Collection of Biostatistics Research Archive

Combined electronic resource of (mostly American) institutions

Open access

DDB – Deutsche Digitale Bibliothek

Open access

DOAB – Directory of Open Access Books

 (OAPEN Foundation)

Open access to over 60,000 open access books

Open access

DOAJ – Directory of Open Access Journals

(Lund University Libraries)

Portal with over 18,000 bona fide open access journals

Open access

DPLA – Digital Public Library of America

(Lund University Libraries)

A wealth of knowledge from libraries, archives, and museums: over 46,000,000 items

Open access

Elektronische Zeitschriftenbibliothek

(Universitätsbibliothek Regensburg)

Links to electronic journal editions

Open access

eprints.org

Self archiving and open archives; OAI compliant, over 250 archives, over 500,000 documents

Open access

Europe PMC

European alternative to open access repository PubMed Central, with over 40,000,000 full-text articles

Open access

Europeana

Europe’s Galleries, Libraries, Archives and Museums; over 60,000,000 items from 34 countries

Open access

Free Medical Journals

(Geneva Foundation for Medical Education and Research)

Links to electronic journal editions

Open access

Free Medical Journals Site

(AmedeoGroup)

Over 5,000 free journals; featuring a current awareness service

Open access

FreeFullPDF.com

Over 80 million free scientific articles

Open access

GMS – German Medical Science

 (Germany)

Links to open access German medical articles

Open access

GreyNet – Grey Literature Network Service

Search ‘grey’ literature

Open access

HighWire Press

(Stanford University Library – MPS)

Founded in 1995 by Stanford University, HighWire has served as the leaders in the industry since our beginning. Our technology, which remains at the forefront of digital knowledge management, provides our customers with market-leading capabilities. HighXWire features over 4,000 journals, partially free.

Open access

HINARI – Health Internetwork Access to Research Initiative

(research4life)

Free or low cost access to over 22,000 journals and over 68,000 e-books for research institutes from developing countries

Open access

HORIZON – Pleins Textes

(IRD, France)

Open access to IRD (formerly: ORSTOM) documents

Open access

IntechOpen

Open access publisher of over 5,400 scientific e-books

Open access

IRIS – Institutional Repository for Information Sharing

(WHO – World Health Organization)

Open access

J-STAGE

(Japanese Science and Technology Information Aggregator, Electronic)

Links to over 3,200 Japanese electronic journals

Open access

JSTOR Project

Redefining access to scholarly literature

Open access

medRxiv

 (Cold Spring Harbor Laboratory et al.)

medRxiv (pronounced “med-archive”) is a free online archive and distribution server for complete but unpublished manuscripts (preprints) in the medical, clinical, and related health sciences.

Open access

MSF Science Portal

(Médecins Sans Frontières)

Open access repository of MSF members publications

Open access

MUSE

 (various American University Presses)

Scholarly journals online

Open access

NARCIS

(Netherlands)

Digital Academic Repositories – Digital library system for universities

Open access

NISC – National Inquiry Services Centre

 (South Africa)

African databases and journals

Open access

OAIster

 (OCLC / WorldCat)

Over 50,000,000 items from over 2,000 digital academic open archives

Open access

OARE – Access to Research in the Environment

(research4life)

Free or low cost access to over 6,000 journals and e-books for developing countries

Open access

OpenAIRE – Open Access Infrastructure for European Research

(EU)

Over 20,000,000 items from over 2,700 repositories. Follow up project to Driver

Open access

OpenDOAR

Directory of over 5,600 Open Access Repositories

Open access

OTA – Oxford Text Archive

Over 2,700 resources, mostly arts and humanities

Open access

Oxfam Publications

Over 4,000 resources, mostly on development issues

Open access

ParaCite – Eprints 

Eprints.org at Southampton serving Open Archives

Open access

PLOS – Public Library of Science

Making scientific literature freely accessible to the public – 12 open access journals

Open access

PubMed Central

(NIH – NLM – NCBI)

Over 8,000 open access journals (often with embargoes), over 8,000,000 full-text articles

Open access

PubMed Central Europe

European mirror site of PubMed Central

Open access

Répertoire des journaux électroniques francophones en médecine-sciences

(CISMEF)

Links to French periodicals (mostly without open access)

Open access

ROAR – Registry of Open Accss Repositories

Registry of over 4,700 Open Access Repositories

Open access

SCIELO – Scientific Electronic Library Online

(BIREME)

Portal with over 1,800 Latin American open access journals, over 750,000 articles

Open access

ScienceOpen.com

Research+publishing network

Open access

SSRN – Social Science Research Network

Access to over 1,175,000 papers

Open access

TMCA – TropMed Central Antwerp

(ITM Library)

Open access repository of the Institute of Tropical Medicine Antwerp

Open access

Zenodo

Shared research in Europe

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