Volume2 - Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control.
IndieVolume - IndieVolume makes Windows programs use separate volume controls independent of other Windows...
Sound Control - App-specific volume control
Synchronous Audio Router - Routes Windows application audio to and from your digital audio workstation software.
Power mixer - Power Mixer is a complete Windows volume control replacement.
Virtual Audio Cable - Ever wanted to record your speaker output? (loopback) This is for you.