gtkpod provides a graphical user interface that enables users of Linux and other Unix operating systems to transfer audio files onto their iPod Classic, iPod Nano, iPod Shuffle, iPod Photo, or iPod Mini music players. Developed by Jorg Schuler
License: Open Source
iTunes is a comprehensive media management tool with a strong focus on music and integration within the Apple ecosystem, while gtkpod is a lightweight, open-source alternative that offers cross-platform functionality and customization but lacks some of the advanced features and music store access of iTunes.