Research Guides

Open Educational Resources

OER Repositories

Below are a selection of OER repositories, so that you can easily locate openly-licensed educational materials (syllabi, textbooks, worksheets, and more). 

George Mason Metafinder - With the George Mason Metafinder, you can search across multiple OER repositories at once. 

OER Commons - Includes an advanced search function allowing users to limit to the specific type of material, license, and other detailed information.

OpenEd CUNY on OER Commons 

Open Textbook Library - Coordinated through the University of Minnesota, the site offers peer-reviewed, open textbooks.

OpenStax - From Rice University, the site offers a variety of open textbooks in science, math, and the humanities.

MIT Open Textbooks - Open textbooks hosted by MIT, and searchable by department.

MIT Open Courseware - "A web-based publication of virtually all MIT course content." You can also search for syllabi, videos, exams, and download readings.



Teaching Commons 

California Open Online Library for Education 


Open Michigan 


OER at CUNY - An overview page of the efforts across CUNY, linking to press releases.

OER in CUNY Academic Works - The institutional repository holds many openly-licensed syllabi, textbooks, and other course content created by CUNY faculty.

OER Representatives across CUNY - The list of representaives on each CUNY campus.

SUNY Open Textbooks - A repository of openly-licensed textbooks created at SUNY.  

SUNY OER Repository - Allows for searching of materials from SUNY.

Opening Higher Ed - A slideshow by guest speaker Robin DeRosa, for the CUNY/SUNY 2018 OER Showcase.

Additional Resources

Open Access 

Directory of Open Access Books (DOAB) 

Directory of Open Access Journals

BASE - "BASE provides more than 240 million documents from more than 8,000 content providers. You can access the full texts of about 60% of the indexed documents for free (Open Access). BASE is operated by Bielefeld University Library, Germany."





CORE - "CORE is the world’s largest aggregator of open access research papers from repositories and journals. It is a not-for-profit service dedicated to the open access mission." (Based in the UK through Open University and Jisc.)


Faculty Guide for Evaluating OER - A checklist from BC OpenCampus to help evaluate open materials.