Gooey Gadgets is a background (or helper) application with both AppleScript and shell interfaces. It has commands to create progress, table, and extended text dialogs.
Gooey Gadgets can be used to easily add extended dialogs that the standard AppleScript libraries do not provide. Additionally, many functions are available via a CLI (command line interface).
Progress dialogs are an often desired element. These can be added as either indeterminate or determinate