Dragon Naturally Speaking, by Nuance, an American multinational computer software technology corporation is a competitor of  iListen,  a speech recognition program by what computer company?
IListen: iListen, developed by MacSpeech, is a speech recognition program for the Apple Macintosh. Nuance Communications: Nuance Communications is an American multinational computer software technology corporation, headquartered in Burlington, Massachusetts, United States on the outskirts of Boston, that provides speech and imaging applications.
i don't know