An open textbook repository hosted by Center for Open Education based at University of Minnesota. All books have been "reviewed by faculty from a variety of colleges and universities to assess their quality".
Milne Library Publishing at SUNY Geneseo manages and maintains Milne Open Textbooks, a catalog of open textbooks authored and peer-reviewed by SUNY faculty and staff.
A single interface to search and access quality open textbooks, Open Educational Resources (OER), and request access to unrestricted library e-books from top academic publishers.
OER Repositories
Other open educational resources (textbooks, syllabi, course handouts, lesson plans, etc) can be found in the following OER repositories.
Openly Available Sources Integrated Search (OASIS) is a search tool that aims to make the discovery of open content easier. OASIS currently searches open content from 114 different sources and contains 440,452 records.
Unlocking Knowledge - MIT OpenCourseWare (OCW) is a web-based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity. Through OCW, educators improve courses and curricula, making their schools more effective; students find additional resources to help them succeed; and independent learners enrich their lives and use the content to tackle some of our world’s most difficult challenges.
The Open Course Library is a collection of high quality, free-to-use courses that you can download and use for teaching. All content is stored in Google docs making it easy to access, browse and download.
Open Yale Courses (OYC) provides lectures and other materials from selected Yale College courses to the public free of charge via the Internet. The courses span the full range of liberal arts disciplines, including humanities, social sciences, and physical and biological sciences.