Edpuzzle

 Edpuzzle is a platform where you can create interactive content with pre existing videos.

you can:

-Select a video on Youtube or create it yourself

-Edit or add voiceovers to the video (you can't do it with youtube)

-Create tasks and questions for your students

And create or incorporate a class.

Here is one video edit that i made: https://edpuzzle.com/media/60c4810b27d86641667527d2