Don't restrain yourself to just black & white! You can customize every aspect of the visualization. The visualisation's style, size, colour (modifier and regular keys ...

Start Server Mouse over to Client Moves mouse back to Server and type any letter or keystroke Moves mouse back to client and every keystroke is random (IE hit space bar and a different letter or key ...

into the address bar opens an empty compose window for me. And, if you have a different program (like Thunderbird or Postbox) set as your default mail client, it'll open a compose window in those ...