Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Doropomo - Inverted Pomodoro focused for a truly work/life balance
SnapTimer - SnapTimer is a simple, free, portable countdown timer for Windows.
Flow - Stop managing projects from your inbox.
Otto - Otto is a full-service advertising, web development, and public relations agency.