Chatzy – this application allows you to communicate in a live setting without it lets you upload lectures, assignments, and homework; post and respond to student questions; and poll students in class content. https://www.chatzy.com/
Piazza - Lets you upload lectures, assignments, and homework; pose and respond to student questions; and poll students about class content. This tool is better suited for older students as it mimics post-secondary class instructional formats. https://piazza.com/
Spiral - Gives you access to formative assessment and then gives you feedback.