I don't know of one yet, but I tried to choose protocols (websockets) that were friendly to being hosted in a browser, or a browser plugin. The exception is the

I don't know of one yet, but I tried to choose protocols (websockets) that were friendly to being hosted in a browser, or a browser plugin. The exception is the bulk-transfer protocol, that's pure TCP, which can't be used by plan web content, although I think browser plugins might be allowed to. The upcoming Dilation protocol should be more flexible on this dimension.