danslapman 

Pattern matching implementation

LeviySoft.Extensions is a library with a set of useful extension methods to C# standard library classes

MVC framework for desktop applications

Monadic try-catch for C#

StructureMap bindings for Pony

GTK# frontend for Pony framework

WinForms view frontend for Pony

Monadic exception handler for C#

LeviySoft collection library

F# Quotations -> C# Expressions translation library.