Rich open education site. Search by keyword and limit by material format. Use the open textbook filter to find open texts. The MERLOT project began in 1997, when the California State University Center for Distributed Learning (CSU-CDL at www.cdl.edu) developed and provided free access to MERLOT (www.merlot.org). Under the leadership of Chuck Schneebeck, CSU-CDL's Director, MERLOT was modeled after the NSF funded project, "Authoring Tools and An Educational Object Economy (EOE)".
Search by subject and education level. Includes learning materials K-16, grad learning materials and more. Supported by the William and Flora Hewlett Foundation and formed by the Institute for the Study of Knowledge Management in Education.
OpenStax College is a nonprofit organization committed to improving student access to quality learning materials. Our free textbooks are developed and peer-reviewed by educators to ensure they are readable, accurate, and meet the scope and sequence requirements of your course.
SUNY OER Services is a scaled-up, networked, and sustainable approach to digital learning and publishing within the SUNY system, using curated OER content, faculty course supports, and instructional technology development and design.
These books have been reviewed by faculty from a variety of colleges and universities to assess their quality. These books can be downloaded for no cost, or printed at low cost. All textbooks are either used at multiple higher education institutions; or affiliated with an institution, scholarly society, or professional organization. The Open Textbook Library is supported by the Center for Open Education and the Open Textbook Network.