Below is a partial list of some sites that offer OERs or that link to sites that offer OERs. Many of the sites allow users to create a free account and to search for and save OERs as well as to create new OERs and share them with others.
Free and open online community of resources designed primarily for faculty, staff and students of higher education from around the world to share their learning materials and pedagogy.
Uses a variety of categories to organize resources. The categories are assigned by the resources' creators and OER Commons administrators, and they describe various aspects of the items, including grade level, subject area, and material type.
Managed by the Washington State Board for Community and Technical Colleges, this site contains material for numerous courses, all of which is stored in Google Docs so that it can be easily downloaded.
A collaboration of higher education institutions and associated organizations from around the world creating a broad and deep body of open educational content using a shared model.
Educational materials for everyone from children to college students to professionals, organized in small modules that are easily connected to; formerly known as Connexions.
A Wikimedia Foundation project devoted to learning resources, learning projects, and research for use in all levels, types, and styles of education from pre-school to university, including professional training and informal learning.
EdX is a non-profit created by founding partners Harvard and MIT. EdX offers MOOCs and interactive online classes in subjects including law, history, science, engineering, business, social sciences, computer science, public health, and artificial intelligence.
Open Yale Courses provides free and open access to a selection of introductory courses taught by distinguished teachers and scholars at Yale University.
A collection of educational non-profit and for-profit organizations, affiliated with more than 200 colleges, that are focused on the mission of driving the awareness and advocacy for open textbooks.
Funded by The William and Flora Hewlett Foundation, their efforts include providing training for instructors adopting open resources, peer reviews of open textbooks, and mentoring online professional networks that provide support to authors who open their resources, and other services.