X-Minus.pro - X-Minus.pro is an artificial intelligence-based tool that allows you to separate vocals from a song.
ChordU - Extracts chords from any song, integrated YouTube.
Al Vocal Remover - Al Vocal Remover is an online audio editor that allows you to remove vocals and extract karaoke separately from a song.
Guitaa.com - Turn ANY song into chords, play along with interactive chords and diagram, transpose, loop, tempo control.
Vocal Extractor - Vocal Extractor- Karaoke Maker (iPhone) is an app that allows you to separate karaoke and vocals from a song or audio file.
Chordify - Chordify turns any music or song (YouTube, Deezer, SoundCloud, MP3) into chords.