In addition to the textbooks below, OPEN-NYS has an entire guide for English Composition instruction using OER. This includes ready-made courses that you can either adopt wholesale, or select sections of learning materials from a variety of courses to design your own course!
Digital Foundations: Introduction to Media Design with the Adobe Creative Suite "integrates the formal principles of the Bauhaus Basic Course into an introduction to digital media production with the Adobe Creative Suite, or the FLOSS graphics applications."
This website hosts the video lectures for an introductory statistics course. It focuses on visualizing the core logic of applied inferential statistical tests commonly used in psychology. It can be used as a textbook, course lectures, or a supplementary student resource.