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Open Educational Resources

Search MSU Libraries for OER

Open Textbook Library

The Open Textbook Library (OTL) is managed by the Open Textbook Network at the University of Minnesota. Books published by many open publishers, such as OpenStax, BC Campus, Open SUNY, and more are aggregated in the OTL. Anyone can suggest a title be added to the library, but the book must meet these criteria.

  • The OTL currently includes over 600 high quality open textbooks in a wide variety of subject areas.
  • All textbooks are free to use, adapt, and distribute. Open textbooks can be downloaded for no cost, or printed inexpensively.
  • Textbooks in the OTL have been peer-reviewed by experts from a variety of colleges and universities to assess quality.
  • Textbooks can be downloaded for now cost; many can be printed for low cost.
  • All OTL books are required to be in portable format; in many cases, accessibility is enhanced with the availability of EPUB versions.


OER Commons

  • Catalog of tens of thousands of OERs to freely use, share, and adapt for the classroom.
  • Over 42,000 vetted and fully-indexed OER, ensuring a high level of resource relevancy and discovery.
  • Provides a single point of access to over 500 major content partners.
  • OERs are evaluated using the Common Core State Standards rubric (CCSS) –
  • Resources can be uploaded to OER Commons or created using their web based "Open Author" tool


  • Stands for "Multimedia Educational Resource for Learning and Online Teaching"
  • MERLOT is a curated collection of free and open online teaching, learning, and faculty development resources and services contributed and used by an international education community
  • Resources are evaluated on three criteria: Content quality, effectiveness, and ease of use
  • Offers a powerful search tool for discovering appropriate resources
  • Includes a wide variety of resource types including web sources, PDF, video, images, and much more

Directory of Open Access Books (DOAB)

OpenStax CNX

  • High-quality, peer-reviewed, openly licensed college textbooks that are free online and low cost to print.
  • Includes tens of thousands of learning objects called "pages" or modules
  • "Pages" can be organized and remixed into "books" or collections
  • Authors can create pages/modules and books/collections, share their work, and adapt other people's work
  • Users can also discover appropriate OER and save favorite modules in "Lenses"

Mason OER Metafinder (MOM)

  • Created by George Mason University Libraries and Deep Web Technologies
  • Searches seventeen different OER sites concurrently
  • Searches in real-time for up-to-date results 

MIT OpenCourseware

SUNY Open Textbooks

  • Provides access to peer-reviewed texts
  • Offers customization options
  • Contains browsable and searchable lists of books in a variety of academic disciplines

American Institute of Mathematics Open Textbook Initiative

BC Campus Open Education Resources

PhET Simulations

Project Gutenberg

Lumen Learning

Find over 50 complete courses on the Lumen website where you'll also find customizable faculty resources and supplemental materials such as quiz banks, assignments, discussion forums, slide decks, etc.

For delivery of complete courses in Canvas at a low cost to students, contact Lumen Learning directly.

Additional Open Access Book Publishers

HathiTrust Digital Library