timer-applet binary package in Ubuntu Precise amd64

 Features include:
 .
  * Quickly set a time and the applet will notify you when time is up
  * Create presets for quick access to frequently-used times
  * Small and unobtrusive. Choose to either view the remaining time right in
    the panel or hide it so you don't get distracted by the countdown.
  * Add multiple Timer Applets to the panel to have multiple timers running
    simultaneously
  * User interface follows the GNOME Human Interface Guidelines

Source package