xalert (1)		- display a message in an alert box
xbtnpress (1)		- generate artificial buttonpress event(s)
xbuttonpanel (1)	- panel interface for shell commands
xcat (1)		- input stream display window 
xpanel (1)		- build window for parameter file
xqt (1)			- execute a command after tag substitution
xshowras (1)		- load images into an X11 window
