Magic Music Visuals - Fully-customizable and highly responsive visuals for live and recorded audio & MIDI.
Moises - Separate audio tracks using state-of-the-art AI algorithm
MilkDrop - 3D audio visualization plugin, compatible with WinAmp plugin API
Melody ML - Easily separate audio tracks using machine learning
projectM - projectM is an LGPL'ed reimplementation of Milkdrop under OpenGL.
VOXISO - Online AI-powered vocal and music remover