MP3Gain - A free automatic mp3 volume normalizer.
X-Minus.pro - X-Minus.pro is an artificial intelligence-based tool that allows you to separate vocals from a song.
QMP3Gain - Graphical user interface front end supporting MP3Gain engine which analyzes and losslessly adjusts...
VocalRemover.org - Vocal Remover and Isolation. Separate voice from music out of a song free with powerful AI algorithms
easyMP3Gain - Graphical User Interface (GUI) for MP3Gain, VorbisGain and AACGain (enables you to modify the...
KBIC Vocal Remover - Fast, simple voice removal online