Θ Computers: Software: Operating_Systems: Mac

Site list:

MacSpeech Home of iListen, a Speech Dictation/Command software for Mac OS. Includes news releases, online store, and tech support.
Speechissimo Converts any written text into speech using Elan Sayso text-to-speech technology. Speechissimo can speak multiple common languages. For Mac OS X.
Elan Speech Offers Elan Sayso natural sounding text-to-speech for Mac OS X. Available in 12 languages.
Speech Technologies (Apple) Apple�s Speech Recognition and Speech Synthesis Technologies now give speech-savvy applications the power to carry out your voice commands, and even speak back to you in plain English, and now, Spanish.
IBM ViaVoice (US English) Continuous speech recognition for your Mac.