Plan - Plan is a better way to organize.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Any.DO - The #1 task management app used by over 11 million people globally, Any.do is your free mobile and online task manager for Android, iPhone, Web and more.
Fantastical 2 - Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.
TimeFerret - Be in control of your time, schedule with ease
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...