Volume Icon

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

3RVX

3RVX is a skinnable volume display and controller.

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

Create unique music for your videos in seconds.

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

Unlimited royalty free music sheets, tracks and textbooks í ¼í¾¶

Five no copyright tracks every week. Unsplash for music.

Power Mixer is a complete Windows volume control replacement.

Screamer Radio is a streaming service that allows users to stream their favorite radio and web casted programming via one easy to use interface.

App-specific volume control

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

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…