I developed very simple application - stop-watch with sound. The application provides sound every second. Version 2.10 includes countdown timer with alarm. The application is useful for creating nervous environment for some tasks with time limit. I think it should be very useful for exams - teachers, trainers, etc.
The Ticking Timer remembers the last settings of ticking and alarm sounds as well as last countdown timer/stop-watch mode found under Options menu.
For sound selections put *.wav files into folders other than system. Of course, for ticking sounds use *.wav files as short as possible.