Microsoft To-Do - Task management tool
Effortless - Stay focused and beat procrastination on your Mac.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Planny.co - Planny is lightweight Twitter scheduler. Grow faster with calendar planner, multi account management, advanced drafts and analytics.
doo - A smart, simple app for reminders and to-dos
Day Night - A desktop app that kills the procrastination in you.