X-Minus.pro - X-Minus.pro is an artificial intelligence-based tool that allows you to separate vocals from a song.
Chordify - Chordify turns any music or song (YouTube, Deezer, SoundCloud, MP3) into chords.
VocalRemover.org - Vocal Remover and Isolation. Separate voice from music out of a song free with powerful AI algorithms
muted.io - A magical collection of interactive music theory tools & visual reference pages for musicians and music producers
KBIC Vocal Remover - Fast, simple voice removal online
soundrop - Soundrop is an app that allows you to create your own personalized sound track to keep you focused or relax.