Textbooks that have been funded, published, and licensed to be freely used, adapted, and distributed. These books have been reviewed by faculty from a variety of colleges and universities to assess their quality.
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 97 different sources.
A free and open peer-reviewed collection of online teaching and learning materials and faculty-developed services. MERLOT is supported by the California State University System.