So you've found a some OER materials-- bravo! Now how do you know if they are "good enough" for your use? Here are some resources and checklists on what to look for when evaluating OER materials:
Template you can fill in for a side-by-side criteria comparison of your current textbook with an OER textbook. See completed example at Berkeley City College.
Any user can review content in Commons. Users can rate and review resources tagged wtih "Community Review'; rate and review any public resource; share tips on writing good reviews.