budgie-countdown-applet 0.4.4-0ubuntu1.2 (amd64 binary) in ubuntu bionic

 This is part of a suite of python3 based applets for the Budgie
 Desktop that provide additional user orientated capabilities.
 The applets can be used individually or as a set.
 .
 The Countdown applet provides the user the ability to start an
 action when the countdown reaches 0 seconds. Actions include flashing
 an icon in the panel, opening a notification window, sounding a
 bell or running a custom command.