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Open Educational Resources (OER)

OER Repositories

OER repositories contain more than just open textbooks.  All content featured within these pages is free but usage rights vary. Materials in these repositories are released under a Creative Commons license while some are in the public domain.


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 73 different sources and contains 175,949 records.


Lists and links harvested from the Community College Consortium for Open Educational Resources list serve ( ). This is a work in progress and will grow as suggestions come in.

Mason OER Metafinder   

This search engine from George Mason University is connected to 15 major OER repositories.

Skills Commons

OER and program support materials by occupations created by various community and technical colleges. (State of California funded)


Library of free open source textbooks and other materials from the State of California Higher Educations Systems.


This repository is one of the biggest and more famous places to find and share teaching resources.

OpenStax CNX

Large repository of individual teachers' content, some courses and lots of modular writings about a variety of topics; all related or complimenting OpenStax Textbooks.

OER Commons

This resource seeks to collect and distribute a variety of OER at a variety of levels and subjects.

Orange Grove

Florida's collection of open education sources.

QUBES Biology & Math

Learning materials, software, data, and models for teaching quantitative skills in undergraduate biology courses. QUBES is developed in part by faculty at the University of Pittsburgh.


Materials in the Applied Math and Science Educational Repository are free for use & adaptation. Most are high school/community college level.