Make A TestTone
Free Macintosh test tone Generator

PlayerPRO
Tracker, composer, and player, all in one.

Audiocorder
VOX program audio recorder. Can set volume sound must reach to begin recording and volume at which it should stop.

Rocket Science
Bundle of real-time plugins for Mark of the Unicorn's Digital Performer and Audio Desk.

Autoscore
Audio-to-MIDI music program that allows you to compose by simply singing or playing an instrument.

iStream
MP3 Streaming Server for the Macintosh from Arctic Software.

Macintosh Music Programs
Briefly annotated link compilation.

3ivx.com
A natural video compression system that is compliant with MPEG-4v3.

CellSynth
Synthesizer, MP3 and AIFF sample player, DSP processor, and sequencer, which outputs stereo CD quality audio.

RhapsOGL visual effects
RhapsOGLApp X visual effects generator for MacOSX - This is a visual plug-in for SoundJam MP and MACAST

thOnk 0+2
Freeware application uses Granular Synthesis to produce very diverse sounds based on a user provided sound file.

MusicCatalog
Organize your music collection. Track, sort, use artwork and sound, enter lyrics, publish on the Web.

QDesign
Audio compression solutions for digital music, new media, and Internet streaming.

fLOW Ambient Sound
Generates a changing soundscape in realtime suggestive of timbres of water, fire, earth, and air. Freeware for Mac G3.

Syd - Software Synthesizer
A software synthesizer for Mac and Windows. Similar to CSound in capabilities, but easier to use.

Lime
Music Notation software for Macintosh. Also available for Win32. (CERL Sound Group)

Lexikon Sonate
Generates piano music in realtime, can also be used as a meta-instrument for improvising complex piano music.

Macintosh Music Software Site
Many freeware and shareware applications available for download.

Apple - iTunes
Audio player with multiple playlist functions, native burn support, visual effects, and file conversion.

Barbabatch
Institues a Quicktime 4.0 codec that converts MP3 files. Demo download available.

Mac Digital Audio
News, information, reviews, software updates, skins, an MP3 search engine, and a forum.

Virtual Composer
Shareware multiple track graphical sequencer, allowing files to be exported in AIFF, abc, or MIDI formats.

BitHeadz Inc.
Develops the sampler Unity and the synthesizers Voodoo, Retro Lite, and several sound libraries. Screenshots, demos, support and download area, purchasing information.

Soundminer
Audio file management system for Digital Audio workstation networks having a Mac attached.

MetroGnome
Freeware metronome for OS X. Customizable settings.

Girl Audio Loop Mixing Software
MIDI-enabled audio loop mixing instrument.

Intuem
MIDI music authoring solution for OS X with Aqua interface, music notation, intended mostly for musical amateurs.

Music Ace
Two education programs covering music concepts.

SoundApp
Norman Franke's sound player and converter for the Macintosh. (PowerPC native, freeware)

SoundHack
Shareware sound processing program does various conversions including sample rate, changes file headers, plays headerless files.

Microsoft Media Player 7
Support among others Microsoft MPEG-4 (version 2.0 and 3.0)and the ISO MPEG-4 video (version 1.0) video codecs.

Audion
Audio player for MP3 files, CDs, and streaming audio from the Internet. Skins/faces available.

Roxio's Jam Software
Sound editing software for Macintosh allowing users to easily create 100% Red Book compliant audio CDs.

CMN Common Music Notation
Free western music notation package written in Common Lisp.

USB-Audio.com
USB Audio software for Macintosh.

Cacophony
Digital audio editor for OS X. Supports many different file formats and multi-track editing.

BIAS Inc.
Peak Studio for editing, processing, and mastering. Deck, a DAW. Vbox for multi-effects. Freq, a 4-Band EQ.

U and I Software
Developers of MetaSynth, a composition and sound design program using a strictly visual interface, with customizable tunings and image synthesis.

Red Barn Goat Farm
Li'l Miss' Scale Oven (LMSO), an ethnic and microtonal scale editor/synth retuner. Also DSP holophonics plug-ins.

Felt Tip's Sound Studio
Shareware digital audio editing and recording application.

MRAC Publishing - Symbolic Composer
Programming language/expert system for MIDI music composition, including the VLISP Lisp Visualization System.

MacMusic
Resources, searchable links, downloads, updates, classified ads, mailing-list, and articles about making music with your Macintosh.

DSP-Quattro
Professional sound editor.

OS X Audio
Provides information for OS X users as descriptions of software and hardware, news and a forum.

Emagic
Featuring the Logic series, several virtual instruments and hardware accessories. Products description, support area, company information and news.

Audio Units
Open guide to applications, utilities, instruments, effects, and devices currently compatible with Audio Units, the native Mac OS X standard format for DSP plug-ins.

Audiomac
Reviews of hard disk recording and digital audio post-production software.

Ask the DJ, a mix engine for Mac OS X
MP3 player and DJ/mix engine with beats analysis.

Sagan Technology Metro
Sequencer with MIDI, audio, and video functionalities. Includes support for CoreAudio, CoreMIDI, Audio Units, Music Devices, Music Effects, VST, and Premiere.

Ovolab
Develops applications for Mac OS X, particularly software that converts MP3 songs to AAC format. Includes support and downloads.

Cosmetic
Rhythm sequencer, sampler, synthesizer.

MacWaveMaker Users Group
MacWaveMaker is a nubus card midi synthesizer for Macintosh. Claims every MacWaveMaker thing may be found here.

Speechissimo
Text-To-Speech for Mac OS X 10.2 or higher.

PlayerPROLounge
Unofficial web site for the PlayerPRO tracker.

FingaMIDI
Replacement open-source driver that allows a PowerBook or iBook trackpad to be used as a 3-axis MIDI control surface.

Apple - Soundtrack
Audio sequencer designed for video, DVD, and web projects. Includes instrument loops and sound effects.

Apple - Logic Platinum
Professional audio and MIDI sequencer with full automation and non-destructive real-time editing.

Apple - GarageBand
Perform, record and create music from virtual instruments and pre-recorded loops.

Jasmine Audio
Stereo multi-track audio editor and converter supporting AAC/MP4, AVI, System 7, AIFF, WAV, Quicktime, and other formats.

The GarageDoor
Tips and suggestions for Apple's GarageBand. Covers live and MIDI recordings, effects, mixing, mastering and links to free loops.

Apple Quicktime
Apple's free media player supporting innumerable audio and video formats. The pro version includes an abundance of media authoring capabilities.

Opcode Systems, Inc.
Developers of the now defunct Studio Vision Pro and Vision DSP sequencing applications, as well as the Mac OS Classic MIDI management standard, OMS.

SimpleChord
Handy reference to chords for musicians. For Mac OS X.

FXpansion
Creators of BFD drum library module, DR-008 drum sampler, as well as VST to RTAS, VST to Rewire, and VST to AU plug-in adaptors.

SFX Machine
A multitude of real-time AU and VST effects for OS 9, OS X, and Windows.

Granted Software
Developers of the AudioUnit host Rax, AudioUnit Manager, and ReVision, a tool to sunchsonize audio from Propellerhead Software's Reason or Ableton's Live with QuickTime movies. All are exclusively Mac OS X applications.

iDrum
Drum machine for OS X, running as both a standalone application and as plug-in. Overview, screenshots, features, downloadable demo and purchasing information.

Bitcartel Software
Developers of iRecordMusic and RadioLover, utilities to record audio streams to AAC and MP3.

TunesTracker
Search the iTunes Music Store daily for your favorite artists and send you an e-mail when there are new songs by those artists.

Spectrasonics Virtual Instruments
Creators of Atmosphere, Stylus, and Trilogy virtual instruments/plug-ins, each with vast core libraries.

Digidesign
Creators of industry standard audio/MIDI sequencers Pro Tools HD and Pro Tools LE, as well as numerous RTAS plug-ins for the applications.

iPodder.org
iPodder is small program that runs on your computer. It's only purpose is to download audio files, usually mp3's, directly to your mp3 device. Currently iPod is supported on both Windows and Mac.