budgie-brightness-controller-applet 0.10.1-0ubuntu3 (s390x binary) in ubuntu eoan

 This is part of a suite of python3 and Vala based applets & mini-apps
 created for the Budgie Desktop that provide additional user orientated
 capabilities. These can be used individually or as a set.
 .
 The brightness controller applet allows controlling of the screen
 levels via xrandr (fallback) or via gnome-settings-daemon (if available)