iTuner is a system tray app that adds seamless features to iTunes including automated library maintenance, playlist management, playlist sychronization with MP3 players, lyrics downloads, track and playback control, and global keyboard control. It is a free and open source iTunes playlist creation application that's comprehensive and efficient.
Here is a screenshot to illustrate the features and user interface of this application:
Decipher TextMessage
iMazing
Dr. Fone Toolkit for iOS
Duet Display
iFunBox