A bunch of calendars only work when connected to the internet. Others don’t sync across multiple types of devices (linux, android, apple, etc).
A lastpass of calendars, but open source.
A bunch of calendars only work when connected to the internet. Others don’t sync across multiple types of devices (linux, android, apple, etc).
A lastpass of calendars, but open source.
EteSync may be an option.
I use this and recommand it as well