Volume2 - Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control.
EarTrumpet - Volume Control for Windows
3RVX - 3RVX is a skinnable volume display and controller.
Voicemeeter Banana - VoiceMeeter Banana, the Advanced Virtual Audio Mixer by V.Burel
Power mixer - Power Mixer is a complete Windows volume control replacement.
iVol - iVol is a program you can use to adjust the sound volume of your computer in an extremely easy way.