Babyphone Wifi - This app turns your old Android phone into a baby monitor.
Volume2 - Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control.
Baby Monitor 3G - Turn any two Android, iOS or Mac devices into one single baby monitor. Easy to use, reliable, feature rich and with an unlimited reach!
Sound Control - App-specific volume control
Gonimo - gonimo is an open source cross-platform baby monitor.
Volume Scroll - Volume Scroll lets you control your main volume by hovering with your mouse cursor over the top...