cssh_tmux
An SSH multiplexer based on tmux (like csshx).
Video demo
Click to watch the demo:
Usage
$ ./cssh_tmux.py host1 host2 ....
How it works
cssh_tmux creates a new window with ssh clients started for given hosts in their own pane. The first pane contains a leader prompt, which will forward its inputs to all the other panes.