ChordU - Extracts chords from any song, integrated YouTube.
X-Minus.pro - X-Minus.pro is an artificial intelligence-based tool that allows you to separate vocals from a song.
Tune Transcriber - Learn and transcribe music for free from your web browser (no install needed).
VocalRemover.org - Vocal Remover and Isolation. Separate voice from music out of a song free with powerful AI algorithms
Amazing Slow Downer - !A slow down music software for Mac and Windows computers - Amazing Slow Downer
KBIC Vocal Remover - Fast, simple voice removal online