is a multi-year initiative funded as part of the Technology Readiness Infrastructure Grant (TRIG) from the Michigan Department of Education. It is designed to empower groups of master K-12 teachers to come together, collaborate and develop an open education resource for use in Michigan classrooms.
A collection of open source and free e-Textbooks curated and reviewed by educators.
Provides book descriptions, table of contents, and a list of available supplemental materials.
Lists license, file format, and printing information.
The Teaching Commons brings together high-quality open educational resources from leading colleges and universities. Curated by librarians and their institutions, the Teaching Commons includes open access textbooks, course materials, lesson plans, multimedia, and more.
Textbook Equity, based in Los Gatos, California, USA, is a creator, publisher, distributor, and seller of “open*” textbooks and other materials to college-level students. They provide free, complete PDF’s of textbooks.