xfce4-timer-plugin 0.5.1-0ubuntu1 (sparc binary) in ubuntu gutsy

 With this plugin you can add timers (alarm or countdown) to your Xfce
 panel. You can run display a warning window and/or run a custom command
 when alarm rings, repeat alarms etc.
 The timer progress is shown as a progress bar in the Xfce panel,
 lasting time displayed on tooltip.
 .
  Homepage : http://goodies.xfce.org/releases/xfce4-timer-plugin/