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 offers a more feature-rich experience with advanced library management and audio visualization, making it suitable for users who want a comprehensive music player. In contrast, 1by1 is a lightweight, portable option focused on simplicity and ease of use, ideal for users seeking a straightforward music player without the extra features.