3RVX

3RVX is a skinnable volume display and controller.

Audio Sliders

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

Control the audio on your Mac apps from the menu bar

Volume Control for Windows

Free stock music for your videos, games and UI

Create unique music for your videos in seconds.

Moving playlists between streaming platforms.

Make karaoke out of any song with AI powered vocal remover

Share, control, and keep on Plaaying music on your Mac.

Power Mixer is a complete Windows volume control replacement.

QasMixer is a desktop mixer application for ALSA’s “Simple Mixer Interface”.

Control iTunes, Spotify, or Rdio from your Mac’s menubar

100+ UI sounds for mobile and web apps

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

Volume Icon aims to be a lightweight volume control that sits in your systray.

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

From authors website:

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

XMouse Button Control (XMBC) allows you to create application and window specific profiles.