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. IListen:  Its competitors were Apple's own speech recognition software (built into Mac OS X); Dragon Naturally Speaking by Nuance, running under Windows virtualization software such as Parallels Desktop for Mac or VMware Fusion; and the discontinued speech recognition program ViaVoice by Nuance/IBM.
i don't know