"AMSER (the Applied Math and Science Education Repository) is a portal of educational resources and services built specifically for use by those in Community and Technical Colleges but free for anyone to use. AMSER is funded by the National Science Foundation (NSF) as part of the National Science Digital Library, and is being created by a team of project partners led by Internet Scout."
Curriki offers over 56,000 educational materials for free from around the world. Their mission is to provide learning materials freely available to educators, students, and parents around the world.
"The Federal Registry for Educational Excellence (FREE) makes it easier to find digital teaching and learning resources created and maintained by the federal government and public and private organizations. " Site retired in 2015.
"HippoCampus.org is a free, core academic web site that delivers rich multimedia content--videos, animations, and simulations--on general education subjects." Designed to provide access to quality education.
InTechOpen is the world's largest Science, Technology and Medicine Open Access book publisher. With a goal to provide free online access to research since 2004.
Multimedia Educational Resource for Learning and Online Teaching brought to you by California State University. MERLOT II provides free textbooks and other materials for education.
The MCO created the Michigan Colleges Online Hub for our member institutions as a way to reduce costs for students, increase student success and completion, and allow for inter-institutional collaboration with faculty. Our Institutions are creating, sharing, and collaborating on high-quality OER for use in today's classrooms.
Supported in part by the William and Flora Hewlett Foundation, ISKME, the Institute for the Study of Knowledge Management in Education, created OER Commons as part of the Foundation’s worldwide OER initiative.
Library contains hundreds of free courses, video lectures, and supplemental materials from universities in the United States and China. To reuse these educational materials, see author's license information.
Open Oregon Educational Resources promotes textbook affordability for community college students and facilitates widespread adoption of open, low-cost, high-quality materials.
The US Department of Labor’s Trade Adjustment Assistance Community College and Career Training (TAACCCT) program has created a free and open online library called SkillsCommons, a comprehensive collection of workforce-related Open Educational Resources (OER) created by over 700 community colleges across the nation.
From George Mason University. Mason OER Metafinder simultaneously searches across the obvious OER repositories (e.g., MERLOT II, OAOpen.org, OER Commons, OpenStax CNX, etc.) but also sites like HathiTrust (full-view materials only), DPLA, OERs at Internet Archive, and Project Gutenberg.