1 Free and Open-source Calendars Apps for macOS (Intel and Apple Silicon)

1- MeetingBar

Your meetings at your fingertips in the macOS menubar

MeetingBar is a menu-bar app for your calendar meetings (macOS 10.15+).

Integrated with 50+ meeting services so you can quickly join meetings from an event or create ad-hoc meetings.

Read about MeetingBar 's features, license, platforms, and more.