OERs go beyond textbooks. From activities to syllabi faculty around the nation are sharing their ideas. The items listed below are some of the main aggregators. There are also some specific Washington State resources!
The Washington State Board for Community and Technical Colleges hosts the Open Washington website. Features:
Large, user generated databases of online materials are often a good place to start your search. These databases allow you to browse resources by subject as well as search for specific materials.
However, with the amount of materials uploaded to these sites it can be overwhelming. Pay attention to the filters you can use, specifically: format/resource type and level (example: lower division undergraduate).
Many colleges and universitites have developed repositories for open materials. The following are some of the biggest in the nation.