Google Calendar
Free
Google Calendar is a cloud based calendar from Google.
Fantastical
Commercial
Fantastical is the calendar app for Mac.
Apple Calendar
Free
Calendar is a personal calendar application made by Apple Inc. that runs on both the macOS desktop operating system and iOS mobile operating system.
Compare Lightning with alternatives
Compare Google Calendar and Lightning and decide which is most suitable for you.
Compare Apple Calendar and Lightning and decide which is most suitable for you.
Compare Fantastical and Lightning and decide which is most suitable for you.