If you are interested in this kind of app you may like to take a look at https://cryptpad.org https://cryptpad.org, a full featured collaborative office suite.

If you are interested in this kind of app you may like to take a look at https://cryptpad.org https://cryptpad.org, a full featured collaborative office suite. End-to-end encrypted, built from the ground to know as little as needed about you and easy to host. Try it on our flagship instance: https://cryptpad.fr https://cryptpad.fr, no registration required!