These repositories and collections include OER covering a wide range of disciplines and formats. These are many other OER repositories; these are just some commonly used ones.
Openstax is an OER repository that includes not only peer-reviewed textbooks but also other teaching materials such as lecture slides, test banks, and answer guides.
The Open Textbook Library is a project of the Open Education Network that collects openly-licensed textbooks created in association with higher education institutions, scholarly societies, or professional organizations.
An open textbook collection curated by BCcampus. Texts are labeled when they have been reviewed, adopted for use on a campus, and/or include supplementary materials such as slides or test banks.
A rubric for evaluating four different dimensions of equity and inclusivity in open education resources, from the Branch Alliance for Educator Diversity.
A brief overview of web accessibility principles/practices to check for. The WAVE browser extension mentioned is an easy way to get an overview of potential accessibility issues in a web document.
