OER as a system relies on attribution and mindful licensing to thrive. Not all resources on this page are fully free or OER, but do fit within a larger textbook affordability strategy. Creative commons licensing defines boundaries and permissions for Reusing, Revising, Retaining, Redistributing, & Remixing OER content.
For more information about Creative Commons and quick reference to license definitions see the Creative Commons page.
Contact a librarian to see what eBooks we might already own on your subject area.
We can also locate streaming videos and articles to supplement any material you might already have.
You can also try building a Reading List using Reading List Builder.
American Institute of Mathematics: Approved Open Textbooks List
Directory of Open Access Books (includes CC Springer)
LibreTexts - Physics (link includes other sciences and mathematics)
Horticulture - Landscape Technology
InTechOpen - Science Textbooks
National Center for Biotechnology Information - Textbooks
USG Open Textbooks - Textbooks & Ancillary Material
Anatomy and Physiology of Animals
Florida OrangeGrove - Higher Education, engineering & technology
Skills Commons - assignments and other materials for the trades
PhET - Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery.
From Carnegie Mellon, Resources to Teach and Learn Chemistry
TED Ed Talks - Sciences - Can be filtered to Life, Earth, or Physical Science topics
OER Commons - Engineering Full Courses
Saylor Academy - Computer Science
Khan Academy - Electrical Engineering
Oregon State Horticulture and Plant Sciences
OER Commons - Life Sciences Full Courses
Chemistry for Non-Majors Lumen Course
Oregon State Chemistry and Biology Modules
|MATH 083||Intermediate Algebra||Textbook|
|MATH 125||Finite Mathematics and Modeling||Textbook|
|MATH 135||Applied Algebra and Trigonometry||Check with instructor for materials being used|
|Introduction to Statistical Methods||Check with instructor for materials being used|
|MATH 163||College Algebra||Textbook|
|MATH 165||Pre-calculus||Check with instructor for materials being used|
|BIOL 230||Microbiology||Lecture Lessons|
|BIOL 230||Microbiology||Lab Manual|
|CHEM 107||Fundamentals of Chemistry||Chemistry Textbook|
|CHEM 131||General Chemistry 1||OpenStax Chemistry: Atoms First|
|CHEM 133||General Chemistry 2||OpenStax Chemistry: Atoms First|
|ERSC 131||Meteorology||See instructor|
Contact your School Representative on the OER/Affordable Textbook Committee for more information on who is using OER in your Pathway.