A command-line utility to interact with the Firecracker version of X10's home control devices (wireless home automation to control lights, cameras, appliances via a small transmitter that plugs into the standard RS-232 serial port of a computer). . Also included is rocket launcher, a graphical frontend to bottlerocket. If you want this functionality you should have wish (tk8.3 or tk8.4 - the Tcl/Tk interpreter) installed.