OER Repositories and Tips for Searching
If you wish to do your own searches for OER, there are a variety of repositories available to discover more resources.
Keep these points in mind when searching for OER:
- OER repositories are often multidisciplinary.
- Resources come in a variety of types and formats.
- Not all repositories are created equal or organized the same way. Those that offer mediated deposit usually have more accurate cataloguing details or metadata. Also, some offer filters and reviews to help refine search results.
- The quality of the metadata associated with each resource will vary greatly, which can make it difficult to apply filters or perform a federated search of multiple repositories simultaneously.
- Some repositories include resources that are “free” but not necessarily “open”. Take the time to verify the copyright or licence terms of each item to confirm if it is an OER.
- You may not find an exact replacement for the commercial resource you are currently using. Some adaptations and the use of more than one OER may be required.
Search Tips
- Search by discipline or subject first.
- If searching by keyword, start with broader concepts and then narrow down using discipline-specific terms and/or limiters available on the platform.
- If available, use the “advanced search” function.
- Look for a copyright notice, conditions of use, or a licence to confirm if the resource is not just “free” but also “open”.
See also “Finding Open Content” and “Repositories and Search Tools” by Ariana Santiago in OER Creation Toolkit, edited by Isaac Mulolani (University of Regina), CC BY 4.0.
Here are some repositories and indexes that were used to find OER for this guide (in alphabetical order):
B.C. Open Collection (BCcampus) |
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eCampusOntario Open Library |
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LibreTexts and LibreCommons |
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Lumen Learning |
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Mason OER Metafinder (MOM) |
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MERLOT |
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Milne Open Textbooks (formerly OpenSUNY) |
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OASIS (Openly Available Sources Integrated Search) |
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OER Commons |
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Open Michigan |
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OpenStax |
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Open Textbook Library |
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PennState University Libraries ROAM |
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Pressbooks Directory |
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Not sure how to evaluate an OER you are considering for a course? Consult Evaluating OER in this guide.
An application used to search multiple databases or repositories at the same time, displaying results from these different locations on one search interface.