iPrompter (previously PowerPrompter) prompts text automatically on a screen or projector for
everything from presentations to media production to chorus rehearsals.
PowerPrompter sports a powerful prompter engine, support for styles and
background effects, full screen direction, multiple monitor and projector
support, complete AppleScript compatibility, storyboards and prompter
display sets, and remote control via AppleTalk, TCP/IP, and AirPort