Recommended calendar app with sharing with GSuite family member

Questions
1

Hello,
I would like to have a shared calendar with a family member that uses GSuite, but I would like my calendar app / provider to be outside of the GSuite.
Is there any privacy centered calendar app / provider that can view + edit a calendar from GSuite via iCal address / any other way? Currently in Proton Calendar they only allow to view without edit from google.
Another feature I would like but is not a dealbreaker is an android app

2

There are some options but please keep in mind that I havenā€™t personally used them to sync with GSuite. Having a shared calendar isnā€™t really privacy friendly regardless of the app installed.

Zoho claims that they respect your privacy and rely less on ads/data sharing. I donā€™t particularly trust them compared to Proton but they could be a good non-Google option that allows for two-way syncing.

If you self-host, NextCloud Calendar could be another option. You would need an app like DAVxāµ for this one though.

3

Not an expert, but I do have calendars.

If is vital that they share from Google calendar.

If you have a Google account, DAVxāµ does have a Google-specific login that will make any calendar app (etar or w/e) work just fine, usually without hiccups.

Google doesnā€™t quite support CardDAV though, so without a Google account there are some janky workarounds, but reliable 2 way sync with a source calendar in Google calendar requires a Google account to link to as far as Iā€™ve found.

DAVxāµ will also allow you to sync any other calDAV providers into the same calendar, I used an iCloud account for a while since it has proper calDAV support.

4

First of all thank you, Iā€™m searching to find out more about Zoho, and if it wonā€™t be my solution, Iā€™m definitely willing to start working my way to more self-hosted stuff.
And yes, I do realize it is far from perfect, and I wish I could make more people around me care and be aware of privacy concerns, until then, Iā€™m am trying to minimize my presence in corporate surveillance companies. I figured having a calendar that would allow me to have my own private stuff, and also still have some sort of connection to my family and community would be the lesser evil.

5

Iā€™m willing to keep a google account just for using as some sort of proxy, if that is what it means, I assume it would require sharing the calendar with that google account and then using DAVx5 to forward it to etar?

6

Yes, I donā€™t know of another way to 2-way sync a google calendar that doesnā€™t require a google account.

Syncing with DAVx5 does not require google play services, but does contact google for oauth and for the calDAV syncing itself.

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