Online collaboration tool
Chat, audio, virtual whiteboards, math features.
You can upload the video to MyMediasite and share it in Canvas.
MyMediasite : https://webcolleges.uva.nl/Mediasite/MyMediasite/ - choose Authenticatie and login with your UvAnetID
There are different possibilities for lectures / interactive sessions online. What you choose depends on your needs.
If you have groups up to 100 students Canvas - Conference tool can be a good so...