The F# language is kind of wierd (in a good way). Born out of Microsoft Research and initially sold to the world by Microsoft as a part of Visual Studio, it now has a vibrant open source community and ecosystem around it. This puts it in a funny place. A great way to illustrate that is to visit the following links:
F# homepage on the Microsoft .NET site Homepage for F# and the F# Software Foundation The first link a page on the Microsoft marketing site for .