Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
My Daily Planner - Organize your day with pen & paper. Free printable template.
Pomotodo - Todo-list based on Pomodoro technique.
Amazing Marvin - Customizable personal productivity tool
Structured - Structured is a visual day planner, which combines calendars and to-do lists into an easy-to-use interface.
wnr - Better than pomodoro, this timer app balances work and rest.