Open Educational Resources: Finding OER

OER repositories contain more than just open textbooks. Learning materials in these collections include full courses, syllabi, images, presentations, videos, simulations, and many more.

MERLOT
The Multimedia Educational Resource for Learning and Online Teaching (MERLOT) provides access to curated online learning and support materials and content creation tools, led by an international community of educators, learners and researchers.

OER Commons
A digital public library and collaboration platform launched by the Institute for the Study of Knowledge Management in Education (ISKME). OER Commons allows searching by material types, educational or grade levels, and subject disciplines.

California Open Online Library for Education (COOL4Ed)
Developed by the State of California Higher Education Systems who are working together to provide an easy access to quality OER that everyone can use for teaching and learning.

Open Course Library 
A collection of expertly developed educational materials – including textbooks, syllabi, course activities, readings, and assessments – for 81 high-enrollment college courses. This collection was developed by the Washington State Colleges.

OpenStax CNX
A dynamic non-profit digital ecosystem that delivers educational content and learning objects. Organized into thousands of textbook-style books in a host of disciplines, all easily accessible online and downloadable to almost any device.

The sources listed here have images and photos that can be downloaded for free with no or limited restrictions.

Creative Commons Image Search
CC Search is a tool that allows openly licensed and public domain works searches across more than 300 million images from open APIs and the Common Crawl dataset. Aggregates results across multiple public repositories into a single catalog, facilitates reuse through features like machine-generated tags and one-click attribution.

Flickr
Images provided are listed under "no known copyright restrictions" and can be shared and used with appropriate attributions. 

Pexels
Provides high quality and completely free stock photos. No attribution required.

Pixabay
Provides royalty free photos and videos. Pictures are shared as part of the public domain with people all over the world.

Unsplash
Unsplash grants you an irrevocable, nonexclusive, worldwide copyright license to download, copy, modify, distribute, perform, and use photos from Unsplash for free, including for commercial purposes, without permission from or attributing the photographer or Unsplash.

Wikimedia Commons
Wikimedia Commons is a media file repository making available public domain and freely licensed educational media content (images, sound and video clips) to everyone.

Open textbooks are free, online learning materials with Creative Commons licenses. Many of the collections will have links to the same books, but each will have a particular focus, and items you can't find in other collections.

Open Textbook Library
Collection of openly-licensed textbooks that been reviewed by faculty from a variety of colleges and universities to assess their quality. The Open Textbook Library is supported by the University of Minnesota Center for Open Education and the Open Textbook Network.

BC Campus Open Textbook Project
Collection of open textbooks for a variety of subjects and specialties from the B.C. Campus OpenEd. The open textbooks have been reviewed by faculty, meet accessibility requirements, and/or include ancillary materials (quizzes, test banks, slides, videos, etc.).

eCampus Ontario
Provides educators and learners with access to more than 250 free and openly-licensed educational resources. The library was launched in 2017 in partnership with BCCampus.

LibreTexts
A non-commercial open textbook organization initiated at the University of California, Davis. Their collection is used across the nation as primary course textbooks and as supplemental learning resources.

Milne Open Textbooks (formerly known as Open SUNY Textbooks)
An open-access textbook publishing initiative established by State University of New York libraries and supported by SUNY Innovative Instruction Technology Grants. They publish high-quality, cost-effective course resources by engaging faculty as authors and peer-reviewers, and libraries as publishing service and infrastructure.

OpenStax
OpenStax is a nonprofit educational initiative based at Rice University that publishes high-quality, peer-reviewed, openly licensed college textbooks that are absolutely free online and low cost in print.

The sources listed here are books under public domain and/or digitized rare books.

HathiTrust Digital Library
HathiTrust Digital Library is a digital preservation repository and highly functional access platform. HathiTrust provides long-term preservation and access services  to digitized content from a variety of sources, including Google, the Internet Archive, Microsoft, and in-house member institution initiatives. Items in the public domain are in full-view for everyone and items held in copyright are searchable.

Internet Archive Text Archive
The Internet Archive offers over 20,000,000 freely downloadable books and texts. There is also a collection of 2.3 million modern eBooks that may be borrowed by anyone with a free archive.org account. 

Project Gutenberg
Choose among free epub and Kindle eBooks, download them or read them online. You will find the world’s great literature here, with focus on older works for which U.S. copyright has expired. Thousands of volunteers digitized and diligently proofread the eBooks, for you to enjoy.