Topmost Clock
v2.1
Topmost Clock is a transparent desktop clock, which runs on top of all other windows. It may have a digital or analog clock face of various colors, sizes and shapes. It has flexible settings, which allow customizing the clock so that it could be easily seen in any environment, but wouldn`t irritate you or overlap with important interface elements.
Shows current time and date of other time zones, next to your computer clock. Can display 1 to 9 clocks at same time.
Global Time Synchronizer is a versatile time keeping tool that has many features including the ability to modify the look of your standard desktop clock, an easy-to-use, convenient interface that uses skins to modify its appearance and much more.
Skinny clock is a freeware utility allowing you to display current time on your desktop. You can customize taskbar clock as well.
WinBoss is a system tray application that hide (all) running programs with one keyboard hit. Useful when Boss is coming, or to hide less important application from cluttering the desktop.