This VR blackboard on the Oculus Quest looks interesting.

https://www.youtube.com/watch?v=Aiw3m8EK0rs&t=2s

(I don't have a Quest myself, so I actually don't know if I would like working with it)

our humble proposition is to not replicate the whiteboard but teach it digital tricks like enhanced legibility, auto-save, digitization (now: save as vector; later: transcribe). in other words: whiteboard in a remote/hybrid setting.

tear it to shreds, please: https://sharetheboard.com

Checkout https://excalidraw.com/