Chrony - Chrony is a pair of programs which are used to maintain the accuracy of the system clock on a...

wnr - Better than pomodoro, this timer app balances work and rest.

TimeLeft - TimeLeft is a versatile desktop utility - it can be used as a countdown clock, reminder, clock...

Smart Sloth - Smart Sloth uses the concept of timeboxing, which is to allocate a set amount of time to each task, therefore, creating a deadline which can increase the productivity of the user.

TicTocTitle - Displays the current date and time in the active titlebar.

ChirpyTime - ChirpyTime: Timer / Alarm Clock / Clock app for iPhone / iPod Touch