Listenbox - Podcasts from audio & video on the web
X-Minus.pro - X-Minus.pro is an artificial intelligence-based tool that allows you to separate vocals from a song.
Audioship - Upload audio to YouTube or Facebook
Al Vocal Remover - Al Vocal Remover is an online audio editor that allows you to remove vocals and extract karaoke separately from a song.
TunesToTube - What does TunesToTube do?
Vocal Extractor - Vocal Extractor- Karaoke Maker (iPhone) is an app that allows you to separate karaoke and vocals from a song or audio file.