Open Educational Resources

BC Open Campus is a collection of open textbooks in highly enrolled subject areas created under the auspices of the government of British Columbia.

Center for Open Educational Resources & Language Learning (COERLL) is one of the sixteen national language resource centers funded by the U.S. Department of Education. COERLL's missions is to produce and disseminate Open Education Resources.

Directory of Open Access Books is an organization dedicated to increasing the discoverability of Open Access books and has resources in a variety of disciplines.

Language Resource Centers (LRC) are a group of sixteen entities established and funded by the U.S. Department of Education to promote expertise and competence in foreign languages. LRC create teaching materials, offer professional development opportunities, and conduct research.

This resource managed by the California State University system is a curated collection of free and open online teaching, learning, and faculty development services contributed and used by an international education community.
On the website, filter by desired subtopic and audience.

A large repository of materials that allows the user to search and identify resources by discipline and educational level.

Open Textbook Library at the University of Minnesota, supported by the Open Textbook Network of major universities.