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Open Educational Resources
Find OER
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Open Educational Resources: Find OER
What are OER?
Why OER?
Find OER
Evaluate OER
OER at Penn
Sites, repositories, and more
General
Discipline-specific
OER Repositories
MERLOT
OER Commons
Open Textbooks
BCcampus
OpenStax
Open Textbook Library
Pressbooks Directory
BC Campus OER by Discipline Directory
History
The American Yawp: A Massively Collaborative Open U.S. History Textbook
STEM
The Chem Collective
Chem LibreTexts
Encyclopedia of Life
InTechOpen
PhET Interactive Simulations
Examples of OER
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