There are plenty of rubrics and evaluation tools available. In fact, many institutions or academic departments may already use one for evaluating traditional textbooks and course materials that can be used to evaluate OER. Outside of considering the 5Rs in Module 1 and whether the licensing on the resources allows for adaptation, evaluating OER should not be any different than evaluating other curricular material under consideration for adoption.
Suggestions for easy-to-use and widely-adopted rubrics and checklists for evaluation include: