opilion is a PulseAudio volume manager for X11 with vim-like keybindings.

For usage instructions, check:

$ man opilion

Edit include/config.h to change colors & font

To run opilion, you need the following libraries installed: libxcb, libxcb-image, libxcb-keysyms, libxcb-xkb, libxcb-shm, libxcb-cursor, libpulse, libfcft and libpixman-1

$ make
$ sudo make PREFIX=/usr install

Alternatively, opilion is available on the Arch User Repository (AUR) (https://aur.archlinux.org/packages/opilion)

$ yay --noconfirm -S opilion

Code is licensed under GNU's General Public License v2. See COPYING for details.