Open Educational Resources (OER) are learning, teaching, and research materials in any format and medium that reside in the public domain or are under copyright released under an open license.
These resources permit no-cost access, re-use, re-purpose, adaptation, and redistribution by others while respecting the intellectual property rights of the copyright owner. Ultimately, OER promotes broad access to quality education and supports lifelong learning.
Grants the public full legal rights to access, re-use, adapt, and redistribute educational materials freely while preserving original author ownership.
Includes openly licensed academic textbooks, lesson slides, podcasts, complete online courses, videos, and flexible teaching tools.
Eliminates learning barriers, empowers educators with adaptable materials, and drives continuous professional and academic growth globally.
Explore freely accessible textbooks, open journals, and interactive learning tools curated to empower students, educators, and independent researchers worldwide.
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This provides free online resources for all fields, using the best research to address the world’s most pressing problems. |
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Core Econ | This provides free online textbooks and resources for a new way of teaching and learning economics, using the best research to address the world’s most pressing problems. https://www.core-econ.org/ |
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| 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. https://www.doabooks.org/ |
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EdTechBooks | Open publishing platform that specialises mostly in books for education and the social sciences. https://edtechbooks.org/ |
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| ILumina Digital Library | iLumina is a digital library of sharable undergraduate teaching materials for chemistry, biology, physics, mathematics, and computer science. It is designed to quickly and accurately connect users with the educational resources they need. These resources range in type from highly granular objects such as individual images and video clips to entire courses. iLumina contains thousands of educational resources and several virtual collections. https://digitalcollections.uncw.edu/digital/collection/ilumina |
| InTech | Open access books in science, technology, and medicine https://www.intechopen.com/ |
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Khan Academy | Khan Academy is a non-profit with the mission to provide a free, world-class education for anyone, anywhere. |
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Libre Texts | It is more than just the world’s largest collection of free OER textbooks online – it provides open textbooks and other classroom material. Leans heavily towards STEM topics. It also work with faculty to create the best assessment, pedagogical, and training tools. https://libretexts.org/
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| Mason Metafinder | The Mason Metafinder helps you find Open Educational Resources. Unlike other OER discovery sites (e.g, OER Commons, OASIS, MERLOT, OpenStax, etc.) with our Metafinder you aren’t searching a static database that we’ve built. Instead, the OER Metafinder launches a real-time, simultaneous search across 22 different sources of open educational materials as you hit the Search button. A distinct feature of the Mason OER Metafinder is the scope of the discovery service. It searches in well-known OER repositories like OpenStax, OER Commons, MERLOT but also sites like HathiTrust, DPLA, Internet Archive and NYPL Digital Collections where valuable but often overlooked open educational materials may be found. https://mom.gmu.edu/ |
| Med Ed Portal | MedEdPORTAL is a MEDLINE-indexed, open-access journal of teaching and learning resources in the health professions published by the Association of American Medical Colleges (AAMC). MedEdPORTAL publications are stand-alone, complete teaching or learning modules that have been implemented and evaluated with physician trainees or practitioners. Each submission is reviewed by editorial staff and external peer reviewers. https://www.mededportal.org/ |
| MyOpenMath | Free, open source, online course management system for mathematics and other quantitative fields. MyOpenMath’s focus is providing rich algorithmically generated assessment to support the use of free, open textbooks. https://www.myopenmath.com/ |
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| NanoHUB | Open and free online platform for computational education, research, and collaboration in nanotechnology, materials science, and related fields. https://nanohub.org/ |
| National Academies Press Open Books | Search for more than 8,000 books released by the NAP, which publishes the reports of the National Academies of Sciences, Engineering and Medicine. https://nap.nationalacademies.org/ |
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| OER Commons | Open educational resources (OER) are teaching, learning, and research resources that reside in the public domain or have been released under an intellectual property license that permits their free use and re-purposing by others. OER include full courses, course materials, modules, textbooks, streaming videos, tests, software, and any other tools, materials, or techniques used to support access to knowledge. |
| Open Geography | Open textbooks and links to online materials in Geography. https://www.opengeography.org/ |
| Open Social Work | Open textbooks and open access scholarly books in Social Work. https://opensocialwork.org/ |
| OpenStax | OpenStax is the world’s largest publisher of open education resources (OER) and a provider of interactive learning technologies and education research for high school and college. https://openstax.org/ |
| Open Textbook Library | All textbooks are either used at multiple higher educational institutions, or affiliated with an institution, scholarly society, or professional organization. https://open.umn.edu/opentextbooks |
| Open Access Publishing in European Networks (OAPEN) | Similar to the Directory of Open Access Books, this database curates free and open scholarly books. https://www.oapen.org/ |
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Saylor Academy Open Textbooks | These 100-plus OER textbooks are maintained and vetted by Saylor Academy. No search built in but easy to browse. |
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Teaching Commons | Browse for OERs in this aggregated database by the creator’s institution, material type and subject. |
