https://www.stopbullying.gov/cyberbullying/cyberbullying-tactics/index.html

This webpage defines some aspects of cyberbullying, and describes some real-life scenarios in which cyberbullying can occur. Can be used to spark discussion, as well as serve a reminder to students about what ethical/unethical online behavior is like.

Showbie is an online app for teachers looking to work towards a "paperless" classroom. Similar to Google Classroom, teachers can create class groups through the site and post assignments, start class discussions, as well as share announcements with both students and their parents. Showbie's in-app tools provide students and teachers a variety of ways to edit and mark up documents, as well as share video, images, and voice notes.

https://www.showbie.com/features/