Open Educational Resources (OER)

"A Massively Collaborative Open U.S. History Textbook"

BC Campus OpenEd - Textbooks under open copyright license. Collection of open textbooks initiated by British Columbia Minister of Education in 2012.

Free textbooks in accounting, economics & finance, engineering, IT & programming, languages, marketing & law, national sciences, statistics & mathematics, strategy & management.

A free online calculus textbook from the Five College Calculus Project.

Open textbooks and other material for legal studies at both the undergraduate and graduate level, as well as some resources for lay person legal research.

A nonprofit organization making open-source textbooks in economics.

Open textbooks from Ontario colleges and universities.

Open publishing platform that specializes mostly in education and social sciences.

Science, technology and medicine free books

Open textbooks and other classroom material. Leans heavily towards STEM topics.

An open textbook from the College of Lake County, Illinois.

Free online textbooks - Multimedia Educational Resource for Learning and Online Teaching

List of open textbooks from OASIS, by SUNY-Geneseo.

Provides textbooks for a range of topics and levels. Can filter by subject, education level, and type of material.

Open textbooks from UMass-Amherst.

Open textbooks produced by and used in the University System of Georgia.

Open textbooks from faculty at the University of Saskatchewan.

Open Psychology 101 resources from the University of Maryland.

The Open RN project is funded by a $2.5 million dollar grant from the Department of Education to create 5 OER Nursing Textbooks with 25 associated Virtual Reality scenarios. First textbook (Nursing Pharmacology) will be available June 2020.

Provides peer-reviewed textbooks which meet scope and sequence requirements. Subjects include Math, Science, Social Science & Humanities.

"Open SUNY Textbooks is an open access textbook publishing initiative established by State University of New York libraries and supported by SUNY Innovative Instruction Technology Grants. This pilot initiative publishes high-quality, cost-effective course resources by engaging faculty as authors and peer-reviewers, and libraries as publishing service and infrastructure." (Open SUNY Textbooks: About)

Textbooks free to use and adapt. "all textbooks are either used at multiple higher educational institutions, or affiliated with an institution, scholarly society, or professional organization" (Open Textbook Library)

Open textbooks from Whatcom Community College (Washington State). Heavy on medical and health care topics, but includes many subjects.

Discipline-specific textbooks and links to open textbooks from other sources, arranged by discipline and course offered in California Community Colleges.

Open textbooks from faculty at Virginia Tech.

Directory of OERs written/published through Pressbooks, an open authoring platform.

Student Public Interest Research Group catalog of open textbooks

Textbooks from University of Hawaiʻi on a number of topics.

Zero-textbook-cost textbooks from College of the Canyons (California).