Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
Amazing Marvin - Customizable personal productivity tool
Social Pomodoro - Meet an accountability buddy for 25 minutes of focused work.
Focusmate - Distraction-free productivity via virtual coworking
Session - Complete photo session booking platform
wnr - Better than pomodoro, this timer app balances work and rest.