OpenStax Textbooks OpenStax College offers free, peer-reviewed textbooks in a select number of disciplines. These texts have been designed to meet course standards in scope and sequence. All OpenStax textbook content is under a Creative Commons attribution license, allowing for the editing and customization of content to suit specific course needs.
Open Textbook Library Multiple institutional sponsors, hosted by University of Minnesota - Twin Cities. "This library is a tool to help instructors find affordable, quality textbook solutions. All textbooks in this library are complete and openly licensed." As a member of MOBIUS, UMSL is a also member of the Open Textbook Network (OTN), which supports the Open Textbook Library.
Other Open Textbook Resources
College Open Textbooks While the College Open Textbook Collaborative focuses on providing textbooks for Community Colleges, many of the resources they have peer-reviewed would be usable for lower-division undergraduate coursework.
Digital Public Library of America The DPLA is an all-digital library that aggregates metadata for millions of photographs, manuscripts, books, sounds, moving images, and more from libraries, archives, and museums around the United States. Material which is out of copyright or openly-licensed is available in full.
InTech The "largest multidisciplinary open access publisher of books covering the fields of Science, Technology and Medicine." As of this writing, includes 2420 books and 6 journals.
MedEdPORTAL A free publication service by the Association of American Medical Colleges (AAMC) and the American Dental Education Association (ADEA) of peer-reviewed medical education materials. Licensed under Creative Commons open licenses.
Wikibooks "Wikibooks is a Wikimedia project for collaboratively writing open-content textbooks" being developed in a similar process to how Wikipedia was developed.
Kansas State University Open/Alternative Textbook Initiative "Through the initiative, faculty can receive a stipend up to $5,000 to develop or adopt an alternate to a traditional textbook. This process may involve using a range of resources across different media (articles, video, audio, websites) or the use of an existing open access textbook."
UCLA Affordable Course Materials Initiative "This pilot initiative encourages instructors to use low-cost or free alternatives to expensive course materials; these can include open-access scholarly resources, Library-licensed and owned resources, and learning objects and texts that faculty create themselves. Awards are available of $1,000 each for instructors teaching courses with enrollments of fewer than two hundred students and of $2,500 each for instructors teaching courses with enrollments of more than two hundred students."
Emory Open Education Initiative (EOEI) Emory Libraries and Information Technologies provides mini-grants of $1,000 for faculty to produce OERs, library resources, or other faculty-generated content to be used in lieu of a textbook in courses in the upcoming academic term.
Open Textbooks at SUNY OER Services The State University of New York System, "...offering services to support wide faculty adoption of OER that can be effectively sustained, improved and shared, as well as delivered to students to give them the day-one access to course materials they need for academic success. Our OER services will continue to include supporting the development of new, original low-cost learning materials for SUNY students, using a financial model that any SUNY campus can easily join."