View the time, seconds, month, week and day in different skins in the Windows system tray clock. Clock Tray Skins is the advanced replacement for standard Windows tray clock. Over 50 skins are included in the distribution. It's also an atomic-time synchronizer.

Scott's Binary Clock is a clock that displays the current time in binary using a LED display. It's a little gadget or conversation piece for your desktop. It really doesn't serve much of a practical purpose, unless your goal is to display the time in a format that nobody but you can read. Emphasis has been placed on making the clock cool looking and realistic (the LEDs in the clock were obtained from taking pictures of real-world LEDs). Free.

Scott's Nixie Tube Clock is a cool looking clock for your windows desktop that looks like an old-style nixie tube clock. You can also choose to display the clock as a vacuum fluorescent display (vfd). The clock is intended to be a conversation piece and a way to spruce up your otherwise drab windows desktop. The clock uses a transparent background and window frame that makes it blend right into your desktop. Free for non-commercial use.