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Best Bets - Repositories
California State University’s initiative from 1997 - a reputable, searchable, peer-reviewed repository for textbooks, videos, assignments, etc. 92,953 items as of 1/5/21.
Forerunner in introducing the concepts of OER with a great search interface for finding a variety of sources, search by grade level, material type, subject, and more.
Developed by SUNY Geneseo, OASIS is a repository that searches content from 117 different sources and has 388,707 records 1/2/21.
Narrow results by usage rights. The most open "free to use, share, or modify, even commercially" to the least open "free to use or share"
Open Course Materials
Open Course Materials
Supports faculty in identifying and selecting high quality OER. Some courses have assignments and interactive check your understanding sections.
Mason OER Metafinder
"Unlike other OER discovery sites (e.g, OER Commons, OASIS, MERLOT, OpenStax, etc.) with our Metafinder you aren’t searching a static database that we’ve built. Instead, the OER Metafinder launches a real-time, simultaneous search across 22 different sources of open educational materials."
A web-based publication of materials from thousands of MIT courses. OCW is open and available to the world and is a permanent MIT activity. May include audio or video lectures, assignments, and syllabi.
Open Course Library
Course materials from Washington State Board for Community and Technical Colleges. Includes syllabi, course activities, readings, and assessments.
Open Yale Courses
Course content including readings and lecture videos with Yale professors.
Provides a "range of course materials, videos, lectures, student work and more. Nearly all of the content here is openly licensed for reuse under Creative Commons."
Collection of freely available open textbooks for download, online reading, and sharing. Scroll to the bottom of the page for content.
Difficult to find subjects
Index to Shared OER
This is an index compiled from messages by OER specialists on the Community College OER Listserv. Lists materials for subjects that may not readily be found. Search for your keywords on the page with Ctrl: F
Open Textbooks, Books, Journals
Rice University's initiative of free textbooks - developed and peer-reviewed to meet the scope/sequence requirements of college courses. 59 as of 1/2/21
Open textbooks for 40 highest enrolled 1st and 2nd year subjects in British Columbia's public college system.
Open Textbook Library
University of Minnesota project for the development of high-quality open textbooks in various subjects. 822 as of 1/2/21.
Milne Open Textbooks
SUNY Libraries, Milne Open Textbooks publishes high-quality, peer-reviewed textbooks for use in higher education. 26 as of 1/2/21.
Textbook Equity OpenEducation
University-quality textbooks. Most are reviewed and contain exercises, discussion questions, problem sets.
Free ebooks from one of the first public domain book portals. Search by subject.
Directory of Open Access Books
Peer-edited advanced books but may be a main option for less common subject areas, like game design.
Thousands of open access ebooks and journal articles available from top scholarly publishers. Not the same as the JSTOR journal database.
Offers open access (OA) books and journals from several distinguished university presses and scholarly presses.
Directory of Open Access Journals
A community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals.
Open Videos, Images
Very popular, high quality, and appealing videos in a wide variety of subject areas.
Users may freely view and download the videos without restraint. The website is provided as a public service; however, use wisely, as TED videos have a CC BY NC ND 4.0 license.
Millions of Creative Commons-licensed videos. A separate Creative Commons-licensed video collection makes thee filtering process much easier. Free registration required.
YouTube (Filter by Creative Commons)
Millions of Creative Commons-licensed videos (among their billions of video collections). The key is filtering them to isolate the Creative Commons-licensed ones. The link shows you how to do this.
Combines together the image collections of Flickr, Wikimedia Commons, as well as several museum collections. Each image record includes an "Attributions" tab.
1 Billion+ photos. Filter by color, usage rights, date, size, orientation, etc.
Search keywords or even upload an image. Once you have your results, click the tools and use the "usage rights" drop down to limit to "Creative Commons licenses." You may also limit by word, color, image size, image type, etc.
Over 3 million creative commons icons and photos to communicate any idea, available as PNG or SVG. Free plan requires attributions but other plans available as well.
1.9 million+ images, videos, and audio. Free usage. Attribution appreciated.
1 million+ high resolution images. Free usage. Attribution requested.
Other Media (websites, slides, audio)
Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 514 billion archived web pages.