Pomodoro One
The nicest Pomodoro app I’ve used.
The Pomodoro Technique Illustrated
Review of Staffan Nöteberg's book
Sue Shellenbarger on time-management (again)
Revisiting Franklin-Covey, GTD, Pomodoro
Orange timer art
A kitchen timer in the shape of an orange
Minuteur
Nifty Mac timer, well suited for use with the Pomodoro Technique