CalendarMenu LE 4+

CalendarMenu LE is a macOS menu bar application, which provides a small month calendar showing all informations you need to keep track of all your upcoming appointments in the blink of an eye. CalendarMenu LE is highly configurable and allows you to specify exactly what you want it to show. It also provides a Today Widget for the Notification Center showing a monthly calendar with markers for all your appointments.

It comes with a Widget Extension adding a convenient monthly calendar to your Notification Center, showing markers to keep close tabs on all your upcoming appointments. If you would like to see your Reminders and your Contact's Birthdays in here as well, please take a look at Calendar Menu 4.

Please note: the update frequency of WidgetKit extensions (those available on macOS Big Sur and later) depends solely on update slots assigned to it by the operating system, which in turn takes into account how regularly a widget is being shown. It will increase significantly if the main app is running in the background, so this is highly recommended - albeit not necessary.