With close to a decade of remote work experience under my belt at companies that are more than 50% remote (GitHub) down to being the only remote guy, I have concluded that some things are best left in the physical world...
There is an actual whiteboard on my wall and a webcam on a stand. When I want to whiteboard something, I get up, switch camera angles, and literally draw it out. I have found this to be far more productive than any whiteboard apps out there.
For something more interactive, Google Draw isn't awful, but it's not a pen and paper.
Thanks for commenting! That's true, I do have a whiteboard within arms reach in my home office. Sometimes I'll take a picture of it and send it along when talking about a problem.
I had really good luck with the one built into google hangouts. I think it depends on what you're trying to convey. Sometimes just sharing mockups works really well too.
There is an actual whiteboard on my wall and a webcam on a stand. When I want to whiteboard something, I get up, switch camera angles, and literally draw it out. I have found this to be far more productive than any whiteboard apps out there.
For something more interactive, Google Draw isn't awful, but it's not a pen and paper.