Simple homescreen widget, that shows time and date. Touching the widget starts alarm settings.

Weather Forecast&Clock Widget(4x2) - more 2000 000 downloads on the market, but is blocked by the market at the request of HTC.
Usual magic widget. Shows the clock and weather forecast in a place where you are. All languages, for all platforms(>=1.5), for all screen sizes. Brings good fortune and luck. Increases libido. Limited edition:(