The Pomodoro Timer is an iconic, mechanical approach to narrowing your focus. Of all the methods I’ve seen for tackling this problem, one of the most interesting is the Pomodoro Technique.

Marinara Timer has three different modes: Pomodoro, Marinara, and Kitchen Timer. The Kitchen Timer is just a simple countdown clock that you can set manually, perfect for single sessions.

The free Pomodoro Technique e-book and Pomodoro Timer utility make it easy to plan your work and break periods in ways that keep you productive a half hour at a time.