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Research Guides

Open, Free & Affordable Course Materials

Selective list of major OER repositories, sources of open university courseware, and zero-to-low cost material licensed by the University of Toronto.


IntechOpen provides access to over 3,800 peer-reviewed open textbooks for STEM. It is funded in part by organizations such as the Bill and Melinda Gates Foundation, the National Science Foundation (NSF), and the European Commission. It is a repository built by scientists, for scientists. 

National Digital Science Library

The National Science Digital Library contains over 120 collections of resources developed to assist educators of science, technology, engineering and mathematics (STEM). The collection includes images, video, audio, software, data sets, lesson plans, and journal articles. 

AMSER - Applied Math and Science Education Repository

Funded by the National Science Foundation and part of the National Science Digital Library, AMSER is a repository of applied science and mathematics materials for use in the classroom and to support lifelong learning. The materials are designed for students in community and technical colleges.

Don't Forget!

Check the multidisciplinary tab for other general science-related course materials.