Google Calendar - Spend less time managing your day & more time enjoying it
Gone - An ephemeral to-do list
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Streaks - The to-do list that helps you form good habits.
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.