Pomotodo - Todo-list based on Pomodoro technique.
Microsoft To-Do - Task management tool
FocusList - Daily planner & focus timer based on timeboxing and pomodoro
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Tadam - Simple Mac menubar app for Pomodoro
doo - A smart, simple app for reminders and to-dos