aTunes is a free and open source audio player with MPlayer as its playback engine. aTunes supports MP3, Ogg Vorbis, FLAC and other formats. aTunes allows users to edit tags, organize music and rip audio CDs easily. Developed by The aTunes Team
License: Open Source
aTunes is a lightweight and fast audio player focused on simplicity and ease of use, while Winamp offers a more robust feature set with extensive media management options and customization capabilities. The choice between the two largely depends on user preferences for simplicity versus advanced functionality.