Microsoft Media Player 7.1
- Support among others Microsoft MPEG-4 (version 2.0 and 3.0)and the ISO MPEG-4 video (version 1.0) video codecs.
- http://www.microsoft.com/windows/windowsmedia/player/mac/mp71/

GregEdit
- Software for editing and listening to Gregorian Chant.
- http://gregorian.soft.free.fr/

Sound Grinder
- Batch audio conversion application with support for a variety of formats, along with the retention of metadata for .mp3, Ogg Vorbis, FLAC, and Quicktime files.
- http://www.monkey-tools.com/soundgrinder/

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

Extended iTunes Rating
- Analysis of how iTunes deals with ratings of a finer gradient than just the number of stars.
- http://www.omninerd.com/2006/02/10/articles/47

SoundConverter
- Batch audio converter supporting innumerable sample-based and note-based file formats
- http://www.dekorte.com/projects/shareware/SoundConverter/

djay!
- Real-time audio mixing over Bonjour networks, with support for .mp3, .aif, .wav, .aac, and .caf file formats.
- http://algoriddim.net/

OS X Audio
- Forum provinding information for OS X users.
- http://www.bigbluelounge.com/

How Much Does iTunes Like My Five-Star Songs?
- Article explores the algorithm iTunes uses to pick what comes next in a Party Shuffle playlist.
- http://www.omninerd.com/2005/08/25/articles/34

Demystifying the iTunes EQ
- Article giving advice about using the EQ setting in iTunes to its full potential.
- http://www.methodshop.com/mp3/articles/ituneseq/

Apple - Soundtrack Pro
- Audio sequencer designed for video, DVD, and web projects. Includes instrument loops and sound effects.
- http://www.apple.com/finalcutstudio/soundtrackpro/

Max Magic Microtuner
- Microtonal scale editor.
- http://groups.yahoo.com/group/16tone

OSS 3D for iTunes
- Adds bass frequencies, spatialization, 3D surround sound and other real-time enhancements to iTunes.
- http://subband.com/sso3d/

YamIpod - Yet Another iPod Manager
- Freeware application enabling adding and deleting music from the device. Includes software news, development information, and downloads.
- http://www.yamipod.com/

Talking Panda - iLingo
- Language translator for iPod.
- http://talkingpanda.com/

iPod Free File Sync
- Utility for Mac OS 9 which allows synchronization of music from different iPods or any other source to computer.
- http://www.crispsofties.com/ipodfreefilesync/

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.
- http://www.digidesign.com

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

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.
- http://www.tunestracker.com

Bitcartel Software
- Developers of iRecordMusic and RadioLover, utilities to record audio streams to AAC and MP3.
- http://www.bitcartel.com/

iDrum
- Drum machine for OS X, running as both a standalone application and as plug-in. Overview, screenshots, features, downloadable demo and purchasing information.
- http://glaresoft.com/products/idrum/index.html

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.
- http://www.grantedsw.com/

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.
- http://fxpansion.com

SimpleChord
- Handy reference to chords for musicians. For Mac OS X.
- http://www.wonderwarp.com/simplechord/

Apple Quicktime
- Apple's free media player supporting innumerable audio and video formats. The pro version includes an abundance of media authoring capabilities.
- http://www.apple.com/quicktime/

The GarageDoor
- Tips and suggestions for Apple's GarageBand. Covers live and MIDI recordings, effects, mixing, mastering and links to free loops.
- http://www.thegaragedoor.com/

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

Apple - GarageBand
- Perform, record and create music from virtual instruments and pre-recorded loops.
- http://www.apple.com/ilife/garageband/

FingaMIDI
- Replacement open-source driver that allows a PowerBook or iBook trackpad to be used as a 3-axis MIDI control surface.
- http://fingamidi.sourceforge.net/

MacWaveMaker Users Group
- MacWaveMaker is a nubus card midi synthesizer for Macintosh. Claims every MacWaveMaker thing may be found here.
- http://members.tripod.com/~proclus/mw.html

Cosmetic
- Rhythm sequencer, sampler, synthesizer.
- http://cosmetic.yowstar.com/

Ovolab
- Develops applications for Mac OS X, particularly software that converts MP3 songs to AAC format. Includes support and downloads.
- http://www.ovolab.com

Sagan Technology Metro
- Sequencer with MIDI, audio, and video functionalities. Includes support for CoreAudio, CoreMIDI, Audio Units, Music Devices, Music Effects, VST, and Premiere.
- http://www.sagantech.biz/

Ask the DJ
- MP3 player and DJ/mix engine with beats analysis.
- http://www.wildbits.com/askthedj/

Audiomac
- Reviews of hard disk recording and digital audio post-production software.
- http://www.euro.net/ecompany/

Emagic
- Featuring the Logic series, several virtual instruments and hardware accessories. Products description, support area, company information and news.
- http://www.emagic.de/

DSP-Quattro
- Professional sound editor.
- http://www.i3net.it/Products/dspQuattro/Asp/Index_EN.asp

Felt Tip's Sound Studio
- Shareware digital audio editing and recording application.
- http://felttip.com/products/soundstudio/

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

U and I Software
- Developers of MetaSynth, a composition and sound design program using a strictly visual interface, with customizable tunings and image synthesis.
- http://www.uisoftware.com/PAGES/acceuil_meta.html

BIAS Inc.
- Peak Studio for editing, processing, and mastering. Deck, a DAW. Vbox for multi-effects. Freq, a 4-Band EQ.
- http://www.bias-inc.com/

Cacophony
- Digital audio editor for OS X. Supports many different file formats and multi-track editing.
- http://www.bannister.org/software/cacophony.htm