This national network both publishes and maintains open access textbooks in the Open Textbook Library as well as advocating at a local and national level for the advancement of adoption of OA textbooks at institutions and systems of higher education.

SPARC is a global network of libraries, educational institutions, professional organizations, and individuals advocating for, encouraging, and spreading awareness of open access publishing with the express aim of making open access the standard for publishing.

Along with their OER database, OER Commons also acts as an educational resource on Open Educational Resources and provides a platform for collaboration in their creation.

This guide has been created by librarians with the Connecticut State Colleges and Universities system in order to provide students and faculty an introduction to Open Educational Resources.

GoOpenCT is the Connecticut Commission for Educational Technology's statewide response to the nationwide #GoOpen innitiative launched by the U.S. Department of Education. Connecticut is one of 20 states to have adopted this initiative to facilitate and support the expansion of open access content and publishing.

The Community College Consortium for Open Educational Resources (CCCOER) is a network of community and technical colleges committed to expanding knowledge about and access to open educational poliices, practices, and resources.

Creative Commons is a global non-profit that specializes in providing free legal tools to help content creators publish their work under open licenses of their choosing. Their website also includes search tools to find digital content published under a creative commons license.

Though marketed towards K-12 educators, the OER rubrics created by Achieve have been written broadly enough that they can be used at any level to assess the usefulness of an OER resource for a particular class.