aumix is a program for adjusting an audio mixer. It can run under X with GTK+, in full-screen text mode with ncurses and (if available) gpm, or non-interactively, and can store all settings in a file. It works with the OSS API.
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Compilation support without GTK+, removal of the frames, quit button, and muting control from the GTK+ window, addition of "Level" and "Balance" labels to the GTK+ window, same-size controls, if the -C option is given, the GTK+ window won't be opened even if the DISPLAY environment variable is set, new menus (containing the quit, muting, and file loading and saving functions) in the GTK+ window, and file updates in intl/ to match those from GNU gettext 0.10.35.