Meludia - Listening exercises and to sharpen your ear and music theory skills

X-Minus.pro - X-Minus.pro is an artificial intelligence-based tool that allows you to separate vocals from a song.

GNU Solfege - GNU Solfege is free music education software.

Al Vocal Remover - Al Vocal Remover is an online audio editor that allows you to remove vocals and extract karaoke separately from a song.

Perfect Ear - A simple yet advanced application for improving your solfege skills.

Vocal Extractor - Vocal Extractor- Karaoke Maker (iPhone) is an app that allows you to separate karaoke and vocals from a song or audio file.