Yep, just switch the calendar to "public" and you can just use it with any CalDav client or icalendar libraries like https://github.com/pat/calendav https://git

Yep, just switch the calendar to "public" and you can just use it with any CalDav client or icalendar libraries like https://github.com/pat/calendav https://github.com/pat/calendav. Nothing hacky about that, just a standard.