Pomotodo - Todo-list based on Pomodoro technique.
My Daily Planner - Organize your day with pen & paper. Free printable template.
FocusList - Daily planner & focus timer based on timeboxing and pomodoro
Amazing Marvin - Customizable personal productivity tool
Tadam - Simple Mac menubar app for Pomodoro
wnr - Better than pomodoro, this timer app balances work and rest.