Eusing Clock!

ClocX - freeware analog clock for Windows desktop with many features like calendar, alarms, skins, antialiasing and transparency.

Smart alarm clock that includes many improvements over the stock alarm clock. It does not have dock mode or world clock features.

Alarm DJ is an online alarm clock that plays your MP3 files and YouTube videos of your choice.It supports Chromecast which means you can turn your TV or stereo system into an alarm clock.

PerfectClock is a skinnable, flexible, fast and highly customizable program displaying an unlimited number of World-Time clocks on your desktop.

Vista Clock is a small clock that stays in the systray and at your desktop.