Mac OS X Softwares to iPhone/iPod Sync

aTunes is a versatile, open-source audio player and music manager built on Java, offering robust features for organizing, playing, and managing various audio formats. It leverages MPlayer for playback and includes capabilities like internet radio streaming, podcast management, and integration with music services.

Winamp is a versatile media player known for its extensive format support, customizable interface, and robust library management. It provides a classic yet powerful platform for enjoying music, videos, and online content, with features like internet radio streaming, podcasting, and various synchronization options.

iTunes, developed by Apple, is a comprehensive media management software that serves as a music player, music store, and a tool for syncing devices like iPhone and iPod. It allows users to organize, play, and purchase digital music, videos, and podcasts, while also facilitating device backups and management.