If you would like to test things out or create content in an empty course that does not have any students in it, we would be happy to create a Sandbox course for you! Simply fill out this Sandbox Course request form and we will get one created for you.
See this blog post on "Alternative Assessments in Canvas" for a great rundown of alternatives for various assignment types, including journals, video & audio responses, collaborative writing, peer reviews, and more. Please note that some of the tools recommended are ones that live outside of Canvas, and some are tools Guilfors does not have access to in its Canvas instance.
You can make adjustments in Canvas to allow for unexpected changes to due dates or to the course calendar.