Cepstral Voices 4.1 (by Cepstral LLC)
Cepstral Swift is a Text-to-Speech engine for Mac OS X.

Cepstral Voices 4.1 (by Cepstral LLC)
Cepstral Swift is a Text-to-Speech engine for Mac OS X.

Proloquo 1.1 (by AssistiveWare)
Proloquo is a multi-purpose, multilingual speech solution for Mac OS X.

Inquire4D SUI Say 1.0 (by InquireTec Software, LLC)
SUI Say allows you to generate speech on Mac OS X (4D versions 6.

Infovox iVox 1.0 (by AssistiveWare)
Infovox iVox provides Mac OS X users with the best voices ever on the Mac.

Speech Queue X 1.0 (by Rainbow Flight)
This program is an Apple Scriptable utility and text service to speak text with customizable voices using Apple's Text-To-Speech.

iChatter 2.0 (by Ecamm Network, LLC)
iChatter is a plug-in which adds voices to iChat.

TextParrot 1.0 (by ConvenienceWare)
TextParrot is a multilingual speech solution for Mac OS X that allows you to listen to your documents with naturally sounding voices in a language of choice.

Say 0.3b (by Brandon Bielstein)
Say is a simple program for Mac OS X that allows you to let your computer speak for you.

Type 'n' Tawk 2.0.3 (by Useful Software)
Type 'n' Tawk is a simple application useful primarily for beginning typists who want to practice their drills with immediate aural feedback.

MacChat 1.0.1 (by Oliver Waters)
MacChat is an AppleScript application which allows you to have a simple chat with your computer.

SlimServer 6.5.0 (by Slim Devices, Inc.)
Slim Devices introduces SlimServer 6.

NoteAbilityPro 2.319 (by Keith Hamel)
NoteAbility Pro is a professional music notation package for the Macintosh OS-X operating system.

netTunes 2.3.1 (by Shirt Pocket)
netTunes lets you control iTunes running on one Macintosh from another, using iTunes' native interface.

v.m.k 1.6 (by Fredrik Olofsson Musikproduktion)
This application lets you simulate a midi keyboard on your computer keyboard.

Audio Hijack 2.2.5 (by Rogue Amoeba)
Audio Hijack gives all your audio that extra bit of sweetness.