How "nice" do you want it to be? Kodi can be told to act as a UPnP server, and any UPnP client should then be able to pick up on it. Kodi also has an optional

How "nice" do you want it to be? Kodi can be told to act as a UPnP server, and any UPnP client should then be able to pick up on it. Kodi also has an optional web interface, which is primarily used to act as a remote, but I've found it can also be a thin client receiver--any media within the library can be streamed to the browser tab.