VolumeControl is an audio mixer which requires OSS or ALSA with OSS /dev/mixer compatibility (for now) from the Linux kernel. The GTK interface provides ease of use in adjusting volume levels.
Volume.app is a small graphical software utility enabling quick and convenient control of a computer's audio volume level. It is intended for use on Linux/Unix systems in conjunction with an X window manager that supports dockable applications ("dockapps") such as AfterStep, BlackBox, or Window Maker.
VolumeControl is a GNUstep program for adjusting the audio mixer on systems that use the OSS API. It allows the sound level, left/right speakers, muting for master, PCM, bass, and treble levels to be controlled.
WMixer is an ALSA Mixer for Window Maker.
WMixer is a mixer application designed for WindowMaker, although there is nothing in the program that makes it require WindowMaker, except maybe the NeXTStep look and the fact that it properly docks. It can be used with other window managers without problems.
XAmixer is a GTK+ mixer written for use with ALSA (the Advanced Linux Sound Architecture). It supports most mixer elements on all mixer devices of all sound cards. It also has stereo locking and optional element display.
Xmmix is a premium audio mixer utility for the X window system using the Motif graphical user interface. It operates the input and output mixer section of the sound hardware on many PCs and workstations. Xmmix offers superior features and look-and-feel. It is designed to be attractive, feature-rich and intuitive to use. It adapts to your sound hardware configuration and displays the appropriate set of controls. It also allows control settings to be saved and retrieved.
XtMix is a mixer program that is KDE aware, supports session management, and is simple to use.
The xvolume program displays a volume bar known from different appliances and allows the user to change the master volume up and down by using keyboard shortcuts. The program is highly configurable.
YConsole is a graphical console with Audio and Mixer channel controls for controlling Y Sound Servers.