[Rumudiez]

Pen and paper. It’s the only thing that can keep up with me! No changing modes, never have to select or delete anything, plus I can draw arrows and diagrams that are often way more helpful than the words I’d use to describe them.

[karmakaze]

I completely agree. I haven't found anything effective for remote collaboration. I sometimes use the Whiteboard app on a Surface Go but that's not an online app. I have to copy the image over, or show the physical screen to my main computer's webcam.