A review of digital tools and ideas for teachers to support formative assessment in online classrooms

https://medium.com/the-faculty/digital-tools-for-online-student-engagement-2faafbbd0b44

• Collaborative Annotation

1. Diigo

2. Evernote

3. Notion

4. Hypothes.is

• Visual Collaboration

5. Mural

6. Miro

• Engagement and Gamification

7. Kahoot

8. Sli.do

9. Factile

• Interactive Activities

10. Wakelet

11. Flipgrid

• Backchannel Discussions

12. Slack

13. Padlet

• Videoconferencing and Virtual Classroom

14. Zoom

15. BigBlueButton

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more on engagement in this IMS blog
https://blog.stcloudstate.edu/ims?s=engage