Studio Amplify - Create cutting edge music and audio apps
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Melody ML - Easily separate audio tracks using machine learning
AIMP - AIMP : Free Audio Player : Официальный сайт программы
Theremin - Multitouch synth instrument that makes an array of sounds
foobar2000 - An advanced freeware audio player for the Windows platform.