Are there cross-platform (readable: Mono-friendly) libraries that offer WebSocket server support and allow asynchronous I / O through the C # 5 API async?
async
SuperSocket.NET seems to be the closest option, but does not appear to support asynchronous support .
Mono itself has not yet been implemented System.Net.WebSockets .
System.Net.WebSockets
Now you can use WebSocketListener .
It offers async methods.
SuperWebSocket SuperSocket. SuperWebSocket SuperSocket . SuperWebSocket - SuperSocket.