browserTunes allows you to remotely control iTunes from any web browser. Just point the browser to http://yourmac:8080 (where "yourmac" is the name or IP address of your Mac) and you can play songs, pause, get information about the song playing, view and play playlists.
(shareware) Cast Away fills in a gap so far left in iTunes' implementation of Podcasts. It allows for the scheduled removal of podcasts on a per podcast basis. It also features the automatic playing of podcasts.
A tiny program put together with various scripting technologies, to publish your iTunes music library on a website. It will create static html consisting of a main page and an inline frame per album.
Cover Version is a visualizer for iTunes. The plug-in displays the album cover artwork of the currently playing audio track.
DesktopLyrics is an application that displays the lyrics of the song currently playing in "iTunes" right on your desktop. The lyrics for the song have to be set in iTunes;
DockArt displays any embedded artwork for the currently-playing iTunes track in the dock.
The eXo music visualization engine is fully hardware accelerated build with OpenGl. It features a 2D procedural texture generation unit and a 3D scene description.
Fetch Art allows you to automatically download album art for your music in iTunes.
an iTunes visualization plugin which animates particles to the beat of the music
GasLight is an OpenGL visualizer for iTunes. It's essentially yet another spectrum analyzer, but is highly customizable to produce some beautiful effects.
GimmeSomeTune is an application for extending the functionality of iTunes. It has a lot of features that make live with iTunes easier. An information window showing all the information about the currently playing song. Hotkeys for controlling iTunes when it's not in the foreground. A mini controller in case your hands are away from the keyboard.
I Love Stars
I Love Stars is a very simple menu bar application that lets you view and change the rating of the currently playing song in iTunes.
iChartwork is a preference pane, and will sync your avatar on iChat and/or Adium and the artwork of the song playing in iTunes
(shareware) iDupe tries to deal with duplicate songs or albums in iTunes in a smart way.
In the Mood
In the Mood is a widget that automatically displays the name of iTunes song as Skype mood text.
iRCTunes is a plugin for Chat Clients that allows you to completely control iTunes. Using a series of /itunes commands, you can quickly and easily export the now playing info to IRC, MSN, AIM, YIM, Jabber, Etc, or even reverse it, with commands like Play, Pause and Rewind, you can control iTunes from that IRC shell or Chat Window.
iTaf is a simple and easy to use alarm clock working with iTunes.
iTunes and Screensavers
iTunes and Screensavers pauses iTunes while screensaver runs.
ITunes Current Song Menu
ITunes Current Song Menu allows you to display the song currently played by iTunes (and other information) in the menu bar and to search for the lyrics of this song.
iTunes Dupes Barrier
(shareware) iTunes Dupes Barrier allows you to search the duplicate inside the iTunes and iPod songs' databases.
iTunes Export provides useful features that are not included in the iTunes application. iTunes Export is open source and freely available for use.
iTunes Library Check
iTunes Library Check cross checks your iTunes Library for unlisted files in iTunes. It scans the iTunes music library and checks if the found files are referenced in iTunes xml file.
itunes-remote-control-server is a TCP command server that can be used to control iTunes headlessly.
iTunesFS is a FUSEObjC based file system for your Mac, which makes all your iTunes playlists available as folders in Finder.
a plug-in that turns iTunes into a visual jukebox, displaying each song in a virtual CD jewel case, complete with album cover art, artist and album information... It's just like viewing real CDs in your collection
Join Together enables you to join the files of selected iTunes tracks together--including CD tracks--with QuickTime and export them as a single AAC file/track.
Jumping Steve is an iTunes visualizer with an animated Jumping Jack of Steve Jobs that will dance to your music.
Kover Kubes is an iTunes Visualizer using Leopard's Quartz Composer of album cover art displayed on rotating cubes of various opacity.
Kover Phlose is a Quartz Composer iTunes Music Visualizer utilizing Apple's Cover Flow concept within iTunes.
KSyncMusic is a smart based utility designed to Synchronize the contents of iTunes playlists to your portable device.
(commercial) a Rendezvous-based utility that's intended for people who share music with iTunes 4.0's new playlist sharing
Lyrics is a very simple piece of software that just shows the lyrics that iTunes is playing in a window. It never bothers you with needless functions.
(commercial) M-Beat is flexibility for iTunes. You're in the driver's seat with the ultimate iTunes Companion Application, featuring one-click menu items, hot keys and floating windows.
Macsome iTunes Converter
(commercial) Macsome iTunes Converter can easily convert DRM protected music and various audio files to unprotected MP3 and AAC formats playable on any MP3 player at high speed and CD quality.
(shareware) MoveTunes takes a list of music and copies or moves all matches in iTunes to a specified target folder, while trying to organize the files.
MusicPort is a bundle of two softwares : MusicDaemon and MusicServer. The aim is to be able to use its iTunes music library on a computer to another computer through Internet.
(commercial) lets you control iTunes running on one Macintosh from another, using iTunes' native interface. You get the same main window, the same playlists, the same capabilities ? everything
The Now Playing plugin monitors the song you are listening to and publishes the data in various ways
pearPlay lets you easily discover new music on the Music Store without interruption.
Say-iTunes reads album, artist, song name or genre from iTunes listings using the 12 different Apple OS integrated voices at any time the song is playing.
(commercial) SizzlingKeys lets you control iTunes with keyboard shortcuts from any application.
A fast, extensible, open-source iTunes alternative written in Cocoa. Uses native Mac OS X widgets, features a "skinnable" mini-mode, and is compatible with Mac OS X themes and ShapeShifter AppSkins.
SyncTunes synchronises tracks and podcasts from iTunes with a mounted volume (e.g. such as a SD card in a card reader, a PDA's expansion card using Missing Sync, or mobile phones' internal memory).
(commercial) Synergy Advance can be used to control iTunes via hot-keys or with the mouse using a flexible, powerful, highly-customizable interface.
Trackographer will monitor iTunes and send tag information from each playing track (including radio streams if they provide track info) to a text file.
Trackstar gives you the ability to manually set the volume, rating and BPM of the current playing track in iTunes, along with adjusting the rating of the last track depending on when it stopped playing.
Tune Backup provides a easy-to-use backup solution for your iTunes library. Simply tell Tune Backup where your iTunes Library.xml file is, where you would like your backed up files to go, and click the sync button.
TuneConnect is an open source AppleScript Studio application that allows you to control iTunes from a remote computer over your local network.
Vespasian is a web-based frontend for controlling iTunes on your Mac from any Web-enabled device, specifically targeting WiFi enabled PDA devices.