I have used some C# with Unity and Mono, so I can't comment too much on C# on the server compared to Java, Go, etc. It's an okay language but isn't bad. That s

I have used some C# with Unity and Mono, so I can't comment too much on C# on the server compared to Java, Go, etc. It's an okay language but isn't bad. That said, F# is a fantastic language. F# is Ocaml but a bit more simpler, better concurrency, and on the C# runtime (or to javascript with Fable).