MeetingBar - MeetingBar is a menu bar app for your calendar meetings.
Itsycal - Itsycal for Mac. Itsycal is a tiny menu bar calendar. If you want, it will display your events as a companion to the Mac Calendar app. You can also create and delete (but not edit) events. Download Itsycal for macOS 10.
NextCall - 1 click to join upcoming Zoom calls (and other video calls)
Meeter - Hop in and out of calls, directly from your menu bar
Zoomies - Speed dial to your Zoom meetings.
Google Calendar - Spend less time managing your day & more time enjoying it