X-Minus.pro - X-Minus.pro is an artificial intelligence-based tool that allows you to separate vocals from a song.
Vocal Extractor - Vocal Extractor- Karaoke Maker (iPhone) is an app that allows you to separate karaoke and vocals from a song or audio file.
Al Vocal Remover - Al Vocal Remover is an online audio editor that allows you to remove vocals and extract karaoke separately from a song.
winLAME - winLAME is an encoder for several audio formats, including mp3 (MPEG Layer 3), Ogg Vorbis and more.
KBIC Vocal Remover - Fast, simple voice removal online
VocalRemover.org - Vocal Remover and Isolation. Separate voice from music out of a song free with powerful AI algorithms