Time Out - Break timer with micro-breaks for Mac OS X.
Tomato Timer - TomatoTimer is a flexible and easy to use online Pomodoro Technique Timer
Focus - New Tab page that gives you a moment of calm and inspires you to be more productive.
Tasklog App - Tasklog App is an agile productivity software designed to meet the needs of current world freelancers.
StretchMinder - Work break timer with guided movement & breathing exercises
YAPA - Pomodoro timer