Ethervane Stopwatch is a simple timer for Windows 2000 or later. It can be used for example to track the time spent working or performing other activities on the computer. The timer can be paused and resumed at any time.Discontinued
The program seems to be no longer updated, but last version, 1.6.0 build 30, released in February 2012, it's fully working and can be still downloaded from the official website.
TimeLeft is a versatile desktop utility - it can be used as a countdown clock, reminder, clock, alarm clock, tray clock, stopwatch, timer, sticker, auction watch, work days/hours countdown clock and time synchronization utility. TimeLeft uses Winamp skins to show digits and text.
Timer is a simple chronometer application. Enter a value and click Start to count down any number of hours, minutes, and seconds, or start at zero to track elapsed time. Available for Macintosh and Microsoft Windows computers.