Volume2 - Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control.
Kingshiper Vocal Remover - Kingshiper Vocal Remover for Mac is a powerful and easy-to-use tool that separates vocals and instruments from music. It also can be used to remove vocals and background noise from video effortlessly.
EarTrumpet - Volume Control for Windows
Ultimate Vocal Remover GUI - GUI for a Vocal Remover that uses Deep Neural Networks.
Sound Control - App-specific volume control
Gonimo - gonimo is an open source cross-platform baby monitor.