Open Yale Courses "provides free and open access to a selection of introductory courses taught by distinguished teachers and scholars at Yale University." (OYC)
The Noba catalog covers the traditional scope of introductory psychology and then some. With 104 modules (and counting) you'll find what you're looking for, for free.
OER Commons offers a comprehensive infrastructure for curriculum experts and instructors at all levels to identify high-quality OER and collaborate around their adaptation, evaluation, and use to address the needs of teachers and learners.