Actually, MS recently open-sourced the .NET framework (".NET Core") and announced they will be adding support for Linux and Mac OS X: https://github.com/dotnet/corefx
...seriously. April the first is still 5 days away.
...seriously. April the first is still 5 days away.
I know that. My point is you go to dartlang.org and get the IDE with SDK with single download for Mac, Linux or Windows and use it now.
With .NET you can't do the same now on non-Windows (you can use Mono but it's not MS project) Dart is designed to do webdev and .NET isn't