TinyCal gives you easy access to Google Calendar or Apple Calendar, straight from the menubar. Add events, reminders, lots of options. TinyCal can show multiple months, use custom calendars, show holidays from many countries and multiple personal/business calendars.
Sometimes you need a calendar that is only one click away and right at your fingertips. A calendar in your menu bar can handle all the scheduling and reminders that other ‘bigger’ calendars provide.
Check out these Mac Menu Bar Calendar Apps:
With InstaCal you can access your calendar from anywhere, simply by clicking the date in the menu bar. Always available in your Mac menu bar, InstaCal is quick and convenient and can be opened at any time. You can also add, view and edit reminders.