Browse Trusted OER Sources Before You Search the Whole Web.
Explore California-focused and broader collections for textbooks, chapters, activities, media, and other open materials. You can browse on your own or bring a few trusted sources into a Promptbook search later.
Browse first. Use AI only if it helps.
Start With the Smallest Useful Source List
California Community College faculty:Start with ASCCC OERI and the CCC-focused collections below.
Add one or two broader sources.Choose sources that match the kind of material you need, such as a complete textbook, adaptable chapters, or activities.
Search more deeply only if you need to.Browse directly, or copy a small source list into Find OER when you want AI help narrowing the field.
Already know your discipline? The ASCCC OERI discipline collection is usually the fastest first stop for California Community College faculty.
California Community Colleges
Start Here for CCC Courses
ASCCC OERI: OER by Discipline
Curated discipline collections developed with ASCCC OERI Discipline Leads. Many discipline pages include course-specific resources, notes, webinars, and additional teaching materials.
Best for: finding a CCC-relevant starting list for your discipline.
California note: C-ID alignment is useful evidence, but faculty should still compare the actual resource with the current Course Outline of Record, course needs, and any applicable Common Course Numbering template.
CCC-focused and homegrown collections
More Places to Look for California Community College OER
COOL4Ed
The California Open Online Library for Education is a joint California public higher-education OER directory involving the California Community Colleges, CSU, and UC. It includes course materials connected to C-ID and examples of resources used by California institutions.
Best for: searching by C-ID and seeing California adoption/use signals alongside OER candidates.
OER Commons includes a California Community Colleges hub with CCC-oriented textbooks and supplemental materials such as activities, primary-source resources, and course shells.
Best for: supplemental materials and CCC-specific discovery beyond complete textbooks.
The California Consortium for Equitable Change in Hispanic Serving Institutions created OER for high-impact courses with an equity and inclusion focus. The consortium includes multiple California community colleges.
Best for: CCC-created materials developed with culturally responsive and equity-centered goals.
A substantial collection of free online textbooks developed or used by College of the Canyons faculty across disciplines including anthropology, sociology, water technology, and more.
Best for: ready-to-review textbooks created in a California Community College teaching context.
Want to see what CCC faculty are building now? The ASCCC OERI OER Project Dashboard surfaces projects created or in development across the California Community Colleges. It is especially useful when a repository search does not yet show a finished resource.
Major textbook collections
Good Places to Look for Complete or Adaptable Texts
OpenStax
Peer-reviewed, openly licensed textbooks for many high-enrollment introductory college courses, often with instructor resources.
Best for: a ready-to-adopt primary textbook in a common introductory course.
A large searchable catalog of books published through Pressbooks networks around the world. Many are openly licensed and some include interactive H5P activities.
Best for: finding institutionally published open textbooks, newer niche texts, and interactive books.
Watch for: the directory also contains some books with All Rights Reserved or other non-open terms. Verify the license on each candidate.
A broad OER library covering higher education and other educational levels, including readings, activities, courses, modules, media, and other teaching materials.
Best for: one-unit resources, activities, supplemental materials, and interdisciplinary searches.
If you want AI help after browsing, select only the collections you actually want searched. Then copy the list and paste it into Trusted list or source to consider first on the Find OER page, or paste it directly into your AI chat.
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Before You Rely on a Repository Result
Open the original resource page.
Confirm the exact license and version.
Check whether ancillaries or homework systems have separate terms.
Review accessibility evidence and available formats.
Do not assume a resource fits your course merely because it appears in a respected repository.