Microsoft is releasing .NET Core for Linux, Windows, and Mac.

http://techcrunch.com/2015/04/29/microsoft-launches-its-net-distribution-for-linux-and-mac/#.jlueia:elZb


I cannot find the flexibility of D in C# though, having .NET on every platform will be a big gain for them I think.

http://live.theverge.com/microsoft-build-2015-live-blog/