DATABASES

arXiv is a free distribution service and an open-access archive for 2,205,657 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 Materials on this site are not peer-reviewed by arXiv. 

The ASEAN Digital Library is a regional project to aggregate and connect the digitised resources of National Libraries in the ASEAN region so that these repositories can be accessed through a single search facility.

ADL will be a boon to users and researchers. In addition, ADL provides global exposure and visibility of ASEAN content; and engages citizens of ASEAN nations in sharing and learning about their cultures and heritage; thus nurturing an appreciation of the ASEAN Identity.

ADL is a project led by the National Library Board of Singapore, with support from the ASEAN Committee on Culture and Information (COCI).

Charles Darwin’s Library is a digital edition and virtual reconstruction of the surviving books owned by Charles Darwin.

BiblioLabs, a division of LYRASIS, is dedicated to keeping libraries at the forefront of their communities in an increasingly digital age. BiblioLabs offers libraries and their patrons seamless, unlimited access to multimedia content through BiblioBoard, the PatronsFirst® digital library, and provides tools that empower libraries to thrive as influential centers for creative community engagement.

CORE is the world’s largest aggregator of open access research papers from repositories and journals. It is a not-for-profit service dedicated to the open access mission. 

Digital Book Index provides links to more than 165,000 full-text digital books from more than 1800 commercial and non-commercial publishers, universities, and various private sites. More than 140,000 of these books, texts, and documents are available free.

The primary aim of DOAB is to increase discoverability of open access books. Academic publishers are invited to provide metadata of their open access books to DOAB. DOAB is an open infrastructure committed to open science. 

DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone.

E-Books Directory is a daily growing list of links to freely accessible ebooks, documents and lecture notes found all over the internet. You can submit your own ebooks, or add other resources you come across. Look below for the main directory of categories.

Open access is an integral part of our commitment to a collaborative, inclusive and transparent world of research where authors, researchers and academic institutions can share knowledge and build on each other's work to advance outcomes.

The Education Resources Information Center (ERIC) of the Institution of Education Sciences allows you to search by topic for material related to the field of education. Links lead to other sites, where you may have to purchase the information, but you can search for full-text articles only. You can also search only peer-reviewed sources. 

eScholarship® provides scholarly publishing and repository services that enable departments, research units, publishing programs, and individual scholars associated with the University of California to have direct control over the creation and dissemination of the full range of their scholarship.

Run by the British Library, the E-Theses Online Service (EThOS) allows you to search over 500,000 doctoral theses in a variety of disciplines. All of the doctoral theses available on EThOS have been awarded by higher education institutions in the United Kingdom. 

GALILEO Open Learning Materials brings together open educational resources throughout the University System of Georgia, including open textbooks and ancillary materials.

This repository is administrated by Affordable Learning Georgia, an initiative of GALILEO and the University System of Georgia which aims to reduce the cost of textbooks to students and contribute to their retention, progression, and graduation. For more about Affordable Learning Georgia, visit Affordable Learning Georgia's website.

Most works hosted in GALILEO Open Learning Materials have a Creative Commons license, allowing the reuse, redistribution, remix, and revision of these materials

Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites. Google Scholar helps you find relevant work across the world of scholarly research.

HathiTrust is a partnership of academic and research institutions, offering a collection of millions of titles digitized from libraries around the world. 

The Internet Archive, a 501(c)(3) non-profit, is building a digital library of Internet sites and other cultural artifacts in digital form. Like a paper library, we provide free access to researchers, historians, scholars, people with print disabilities, and the general public. Our mission is to provide Universal Access to All Knowledge.

LibreCommons hosts curated Open Educational Resources from all 14 LibreTexts libraries in one convenient location. LibreCommons, the LibreTexts Libraries, and all of our resources are accessible to everyone via the internet, completely free. We believe everyone should have access to knowledge.

A pioneer in scholarly, open access publishing, MDPI has supported academic communities since 1996. Based in Basel, Switzerland, MDPI has the mission to foster open scientific exchange in all forms, across all disciplines. 

The MedCrave network is a collection of many perspectives and disciplines that come together to inform and inspire.

Multimedia Educational Resource for Learning and Online Teaching (MERLOT) was started back in 1997 at Sonoma State University. It is a community of staff, volunteers, and members who work together in various ways to provide users of OER (Open Educational Resource) teaching and learning materials with a wealth of services and functions that can enhance their instructional experience. You can learn more about the community by clicking on the links below.

Milne Library Publishing at SUNY Geneseo manages and maintains Milne Open Textbooks, a catalog of open textbooks authored and peer-reviewed by SUNY faculty and staff.

MIT OpenCourseWare is a free and open collection of material from thousands of MIT courses, covering the entire MIT curriculum.

Open Education Global (OEG) is a global, members based, non-profit organization supporting the development and use of open education around the world.

The worldwide OER movement is rooted in the human right to access high-quality education. This shift in educational practice is not just about cost savings and easy access to openly licensed content; it’s about participation and co-creation. Open Educational Resources (OER) offer opportunities for systemic change in teaching and learning content through engaging educators in new participatory processes and effective technologies for engaging with learning.

OpenDOAR is the quality-assured, global Directory of Open Access Repositories. You can search and browse through thousands of registered repositories based on a range of features, such as location, software or type of material held.

The World Bank is the largest single source of development knowledge. The World Bank Open Knowledge Repository (OKR) is The World Bank’s official open access repository for its research outputs and knowledge products.

The Open Access Policy and the OKR represent the third major development in the World Bank’s Open Development Agenda, joining these earlier initiatives:

1. Open Data Initiative (launched in April 2010): a range of reforms enabling free access to thousands of development indicators, as well as a wealth of information on World Bank project and finance, and

2. Access to Information Policy (launched in July 2010): a groundbreaking change in how the World Bank makes information available to the public.

OpenLearn deliver bite-sized learning experiences designed to fit easily into daily life. Whether you're looking to get promoted at work, support your children with their schoolwork, a student looking for extra study materials, or simply passionate about a subject.

Open Michigan encourages scholars and students to maximize the impact of their work through open sharing. 

Open Oregon Educational Resources promotes textbook affordability for community college and university students, and facilitates widespread adoption of open, low-cost, high-quality materials.

The Open Research Library (ORL) is planned to include all Open Access book content worldwide on one platform for user-friendly discovery, offering a seamless experience navigating more than 14,000 Open Access books. This vital infrastructure is slated to comprise the most comprehensive collection of peer-reviewed Open Access books accessible for everyone. Libraries investing in the Open Research Library contribute to the development of a dedicated infrastructure for the global research community, while participating libraries have the opportunity to benefit from a set of exclusive services.

Making high-quality education affordable and accessible for students is a critical priority at Oregon State University.

OpenStax is part of Rice University, which is a 501(c)(3) nonprofit charitable corporation. As an educational initiative, it's our mission to improve educational access and learning for everyone. Through our partnerships with philanthropic foundations and our alliance with other educational resource companies, we're breaking down the most common barriers to learning. Because we believe that everyone should and can have access to knowledge.

Textbooks in the Open Textbook Library are considered open because they are free to use and distribute, and are licensed to be freely adapted or changed with proper attribution.

Open Yale Courses (OYC) provides lectures and other materials from selected Yale College courses to the public free of charge via the Internet. The courses span the full range of liberal arts disciplines, including humanities, social sciences, and physical and biological sciences.

Open access (OA) is a key part of how Oxford University Press (OUP) supports our mission to achieve the widest possible dissemination of high-quality research.

The first multidisciplinary aggregator of Open Access journals and papers. Keep on top of recent discoveries and never hit a paywall. 

PLOS is a nonprofit, Open Access publisher empowering researchers to accelerate progress in science and medicine by leading a transformation in research communication.

Project Gutenberg is an online library of free eBooks.

Project Gutenberg was the first provider of free electronic books, or eBooks. Michael Hart, founder of Project Gutenberg, invented eBooks in 1971 and his memory continues to inspire the creation of eBooks and related content today.

The University of Minnesota Libraries publishes journals, monographs, textbooks, and other scholarly content. All titles are accessible from this page. Unless otherwise noted our content is released under a Creative Commons license and is free to download, share, and reuse.

Scholarpedia is a peer-reviewed open-access encyclopedia written and maintained by scholarly experts from around the world. Scholarpedia is inspired by Wikipedia and aims to complement it by providing in-depth scholarly treatment of topics within the fields of mathematics and sciences including physical, biological, behavioral, and social sciences.

ScienceOpen is a freely accessible search and discovery platform that puts research in context. 

Scientific Research Publishing (SCIRP) is one of the largest Open Access journal publishers. It is currently publishing more than 200 open access, online, peer-reviewed journals covering a wide range of academic disciplines. SCIRP serves the worldwide academic communities and contributes to the progress and application of science with its publication. 

The SpringerOpen portfolio has grown tremendously since its launch in 2010, so that we now offer researchers from all areas of science, technology, medicine, the humanities and social sciences a place to publish open access in journals. Publishing with SpringerOpen makes your work freely available online for everyone, immediately upon publication, and our high-level peer-review and production processes guarantee the quality and reliability of the work. Open access books are published by our Springer imprint. 

The Social Science Research Network (SSRN) is a collection of papers from the social sciences community. It is a highly interdisciplinary platform used to search for scholarly articles related to 67 social science topics. SSRN has a variety of research networks for the various topics available through the free scholarly database.

Taylor & Francis Group’s flourishing program of full open access journals enables you to make your research freely and permanently available so anyone, anywhere can read and build upon your work. Use the subject area filter below to explore our portfolio of fully open journals and find the best home for your research.

The University of Florida Digital Collections (UFDC) hosts many outstanding digital collections, containing millions of pages, covering tens of thousands of subjects in rare books, manuscripts, global and generic maps, children's literature, newspapers, theses and dissertations, data sets, photographs, oral histories, and more for permanent access and preservation. Through UFDC, users have free and Open Access to full unique and rare materials held by the University of Florida and partner institutions.

UNdata is a web-based data service for the global user community. It brings international statistical databases within easy reach of users through a single-entry point. Users can search and download a variety of statistical resources compiled by the United Nations (UN) statistical system and other international agencies. The numerous databases or tables collectively known as "datamarts" contain over 60 million data points and cover a wide range of statistical themes including agriculture, crime, communication, development assistance, education, energy, environment, finance, gender, health, labour market, manufacturing, national accounts, population and migration, science and technology, tourism, transport and trade.

The United Nations iLibrary is the comprehensive global search, discovery, and viewing source for digital content created by the United Nations.

This collection contains cultural heritage materials gathered during the World Digital Library (WDL) project, including thousands of items contributed by partner organizations worldwide as well as content from Library of Congress collections.

The World Factbook provides basic intelligence on the history, people, government, economy, energy, geography, environment, communications, transportation, military, terrorism, and transnational issues for 266 world entities.