Published in Pressbooks this OER was written by students in EDUC5104G (Analysis and Design of Web-Based Learning Tools course at Ontario Tech University).
https://elearning2020.pressbooks.com/
It includes chapters on Instructional Design Theories (e.g. Social Learning Theory, Experiential Learning Theory, Constructivism Theory, and 25 more), plus 14 chapters on Instructional Design Principles, and 28 Tool Reviews.