OER and open textbook sources listed on this page represent a variety of models. Some educational resources are truly open and freely accessible, while others may be available under a significantly lower pricing structure. Cost, adaptability, and use will depend on the specific title and provider.
Below are a few quick links to the business content of larger OER discovery websites. To browse even more collections, visit our Open Educational Resources Guide.
Mason OER Metafinder - Search across many of the above OER discovery sites at once
Expand each heading below to see examples of open textbooks available for that topic.