Where to Find OER

What is Open Access?

Open access resources are digital materials of all types that are made freely available to use, distribute, and modify. Open access resources are either released into the public domain or under a license that permits their free use, such as a Creative Commons License. Open Educational Resources (OER) are open resources that were designed or can be used for educational purposes.

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What is a Creative Commons License?

Creative Commons Licences are sets of licenses that allow you to share your work for free while still maintaining control over how the work is shared. Although not required, most open resources are released under a Creative Commons License.
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Mixed OER Collections

Find open lesson plans, assignment, textbooks, and other teaching materials.


Openly Available Sources Integrated Search (OASIS) is a search tool that aims to make the discovery of open content easier. OASIS currently searches open content from 61 different sources and contains 160,072 records.


MERLOT is a community of staff, volunteers, and members who work together in various ways to provide users of OER (Open Educational Resource) teaching and learning materials with a wealth of services and functions that can enhance their instructional experience.
OER Commons

OER Commons is a public digital library of open educational resources. Explore, create, and collaborate with educators around the world to improve curriculum.

Teaching Commons

The Teaching Commons brings together high-quality open educational resources from leading colleges and universities. Curated by librarians and their institutions, the Teaching Commons includes open access textbooks, course materials, lesson plans, multimedia, and more.


A collection of k-12 lesson plans and other teaching materials.

Open Textbooks

Open Textbook Library

The Open Textbook Library provides a growing catalog of free, peer-reviewed, and openly-licensed textbooks.


OpenStax is a nonprofit educational initiative based at Rice University that publishes high quality, peer-reviewed, openly licensed College textbooks that are absolutely free online and low cost in print.

SUNY Open Textbooks

A collection of textbooks created by and used in SUNY colleges and universities.

Open Photos


A collection of open photos released under an open license that allows them to be used in almost any way, even without crediting the creator.


A collection of open and for pay photos.

Various Open Collections

Project Gutenberg

Project Guttenberg is one of the first collections of open resources, containing ebook versions of thousands of public domain works.

Internet Archive

Internet Archive is a non-profit library of millions of free books, movies, software, music, websites, and more.

Database of Open Access Journals

A multi-discipline database containing thousands of journals that have been released under open licenses.

Skills Commons

A free open library of workforce training materials

Other Resources

OER Starter Kit

The OER Starter kit is a free Ebook from the Iowa State University that covers everything that you'll need to get started using OERs