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Stopwatch - A Java countdown timer and stopwatch. Features a fullscreen and a resizable window mode.

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

XNote Stopwatch - Try the most feature-rich stopwatch and timer software on the net for free!

DS Clock - Keep your time synchronized with Atomic Time servers, using customizable digital desktop clock with westminster chimes.

FocusMe - With so much access to information and distractions on the internet, it's easy to get sidetracked.