xfce4-panel-plugin-timer
Alarm Clock Plugin for the Xfce Panel
The Timer plugin provides the functionality of an alarm clock and will run an alarm at a specified time or at the end of a specified countdown period.
There is no official package available for openSUSE Leap 16.0Distributions
openSUSE Tumbleweed
SUSE SLE-15-SP1
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.