This server is running braid-server
Braid servers connect clients running multi-user collaborative apps. These apps can run on virtually any device and interoperate with anyone else on this or any other reachable braid server.
Braid can be used on public or private networks. It is designed to federate, so that users in different domains using different servers can work together.
To exercise the basic functionality of this braid server, try the test client.
Open your browser's inspector to see the messages exchanged between this web client and the server over a braid socket.