Peer reviewed textbooks available in electronic and print forms, also with supporting works such as study guides and tests. Mostly books for large survey classes on the freshman level. Project supported by Rice University and several large foundations including the Gates Foundation and the Hewlett Foundation.
A subject-based platform that hosts textbooks and supplemental resources. It includes built in remixing tools to allow instructors to easily adopt and customize existing OER. It’s well known for its interactive content, like 3D visualizations and simulations, embedded multimedia, annotations, and Jupyter notebooks.