Itsycal

Itsycal is a tiny calendar for your Mac menu bar. If you want, it will display your appointments and serve as a companion to the Mac Calendar app.

InstaCal

InstaCal is an affordable, yet powerful calendar app that puts all your events right at your fingertips, always available in y ...

Appointments and reminders, meetings and deadlines, birthdays and dates - make the most of your time with Calendar 366 II! Any ...

BusyCal is the most powerful, flexible, reliable calendar app for macOS. It's packed with time-saving features and compatible ...

Fantastical is a flexible calendar with natural language event creation, a beautiful calendar and event list, support for CalD ...

Put a calendar on your menu bar, and access your calendar, weather, and more at a glance.

Calendar features:

Peek is a simple to use calendar for your iPhone.

Day-O is a simple menu bar clock replacement with a simple calendar for your Mac. Which uses strftime style customisation.