It helps you backup/recover/transfer your whole iTunes library and media files.
is a great music player and organizer and is made to synchonize with ipods.
iTunes Art Importer is still another feature-adding application for iTunes.
Binary Fortress Software
iTunes Sync is a great application for anyone who loves iTunes but not iPods.
This is a program that imports song lyrics for your itunes.
It allows you to clean iTunes from unwanted duplicates and missing tracks.
iTunes sidebar for iTunes is a nifty application for iTunes.
It can access and play your podcasts without displaying the iTunes Music Library.
Search, view, export, or edit backup files created by iTunes.
This program allows you to convert videos to iTunes movie files.
Bigasoft iTunes Video Converter is professional all-in-one converter for iTunes.
The Boys Downunder
iPod 2 iTunes is an Apple iPod backup tool for Windows.
It helps you recover data from your iTunes backup file.
This plugin lets you insert text from whatever you are listening in iTunes.
ntp time server
GPS Clock for PC time sync to NMEA GPS time receiver. GPS Atomic clock sync.
Tenorshare Co., Ltd.
iTunes repair tool to fix all iTunes syncing problems and iTunes errors free.
Qloud Plugin for iTunes is a very powerful plugin for iTunes.
iTSfv – iTunes Store file validator is an add-in for iTunes.
Nate DeSimone and Geoff Basore
iTunes Alarm Clock is an alarm clock that talks nice with iTunes.
Super PlaylistMaker 2.0 for iTunes - add 8 invaluable super playlists to iTunes.
LibZIP for iTunes - archive or transfer any part or all of your iTunes Music.
iTunes Toolkit brings you the features that Apple left out of iTunes.
myPod Apps, LLC
meta-iPod, the iTunes Cleaner can clean up an iTunes.
Xlinksoft iTunes Converter is an excellent iTunes converter.