Hokaido is a character based terminal sharing tool. It's speedy and clear.
$ cargo install hokaido
Server is needed to relay communication between broadcaster and watchers.
$ hokaido server # on 203.0.113.10:4423
watch displays broadcaster's shell output.
$ hokaido watch --host 203.0.113.10
broadcast invokes a new $SHELL and starts broadcasting its output.
$ hokaido broadcast --host 203.0.113.10