Microsoft Launches Its .NET Distribution for Linux and Mac
F# is a real breath of fresh air in comparison to something like Scala.  It's direct ML heritage really shows, also just diving in with an IDE (like Xamarin, or I suppose Visual Studio) is super easy.<p>I see it as the future of pop-functional programming.  For example look at the way it handles type inference w/ JSON parsing.  Compare that to what you have to do to parse JSON in Scala.  It's subtle, but a major usability win.