If you want to evaluate an OER for quality, you can use one of these guides as a timeline.
Affordable Learning Georgia Selection Criteria
Use this content tracker to help you keep track of all the material you use in your OER project. This will help you should you ever need to fix a broken link or update the material.
OER Content Tracker
These repositories are your best bets when looking for OER content for your course.
The CCBC Pressbooks Hub has a link to the Pressbooks directory, which houses over 8,000 books, and also has information on how to publish with Pressbooks.
Search using your intended subject. Use the limiters on the left hand side to narrow your results.
In the section labeled "Resources" find your subject area. In your subject area you can search by collection or campus. The collection section allows you to narrow down to a specific sub-subject.
Here are more repositories that require a bit more sifting to find relevant OER content.
These platforms provide assessments and other support features in addition to the OER text. You can adopt them through the bookstore. Students pay a fee to use the materials ranging from $25-$40.