KMix is described as 'application to allow you to change the volume of your sound card. Though small, it is full-featured, and it supports several platforms and sound drivers' and is an app in the Audio & Music category. There are three alternatives to KMix for Windows, Windows S and Linux. The best alternative is EarTrumpet, which is both free and Open Source. Other great apps like KMix are Volume2 (Free) and Volwheel (Free, Open Source).
Ear Trumpet - Volume Control for Windows EarTrumpet is a powerful volume control app for Windows Features • Visualize audio with multi-channel aware peaking • Standalone volume mixer • Move apps between playback devices • Default playback device management • Automatic...
Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control. This application lets you easily change the sound volume just by rotating the mouse wheel or by using keyboard hot keys or just mouse move on screen border.
VolWheel is a little application which lets you control the sound volume easily through a tray icon you can scroll on. It is written in Perl/Gtk2 and works both for ALSA and OSS. You can configure it quickly through its configuration interface.