The Ruma homeserver implementation is specifically supporting this use case. The federation system will run as a separate application alongside the client-serve

The Ruma homeserver implementation is specifically supporting this use case. The federation system will run as a separate application alongside the client-server API, so if you don't want to federate with other homeservers, you just don't run the federation component. https://www.ruma.io/ https://www.ruma.io/