Tomito
Tomito is a free Pomodoro app for Mac. It’s beautifully designed and highly flexible.
Recently updated
TomatoBar has another sound, which was there all along.
TomatoBar
A nicely designed Pomodoro app for the Mac menu bar.
Mater
A menu-bar Pomodoro timer.
Pomotroid
A free Pomodoro timer by Christopher Murphy for Linux, macOS, and Windows.
Pomodoro One
The nicest Pomodoro app I’ve used.
Mac timers
Apps for Mac, cool, free.
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