How does this compare with https://jitsi.org/ https://jitsi.org/ ? In 2020+ we gave a lot of online math class. My T.A. are very picky about the features of th

How does this compare with https://jitsi.org/ https://jitsi.org/ ? In 2020+ we gave a lot of online math class. My T.A. are very picky about the features of the virtual whiteboard. Does this has one?