I started work on an open-source equivalent for the same motivation: https://github.com/nileshtrivedi/family https://github.com/nileshtrivedi/family Signal and

I started work on an open-source equivalent for the same motivation: https://github.com/nileshtrivedi/family https://github.com/nileshtrivedi/family Signal and Matrix are good but there is value in UX optimized for closed, intimate groups. Signal also requires phone numbers which, in certain nations, are becoming problematic.