3RVX Alternatives

Volume Control for Windows

Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control.

Volume Control replacement that is five times smaller than its Windows counterpart.

Power Mixer is a complete Windows volume control replacement.

Control the audio on your Mac apps from the menu bar

From authors website:

Volume Scroll lets you control your main volume by hovering with your mouse cursor over the top...

KMix is an application to allow you to change the volume of your sound card.

VolWheel is a little application which lets you control the sound volume easily through a tray icon...

The sound control that should be built into MacOS

Volti is an GTK+ application for controlling audio volume from system tray/notification area.

This tool allows to control sound volume using system-wide hotkeys.

App-specific volume control