Top 20 NuGet functional Packages

Collection of basic monads and functional extensions for C#
Polyfill for Katana based server implementations (IIS and HttpListener)
Polyfill for Katana based server implementations (IIS and HttpListener)
Polyfills for future/draft elements of the OWIN standards for various server implementations
Contains the attributes for the nuget package CSharpDiscriminatedUnion
Functional extension for .Net
Types and parsers for working with the URI specification in RFC 3986
Types and parsers for working with the Language specification in RFC 5646
Core functions, types, and parsers for working with the Arachnid Web type system
Core utilities for Arachnid Optics
The core building blocks of the Arachnid web stack powered by the Hopac concurrency library
The core building blocks of the Arachnid web stack
Testing utilities and helpers for Arachnid libraries, plus Arachnid applications, powered by the Hopac concurrency library
Testing utilities and helpers for Arachnid libraries, plus Arachnid applications
Polyfills for future/draft elements of the OWIN standards for various server implementations, powered by the Hopac concurrency library
Polyfills for future/draft elements of the OWIN standards for various server implementations
Core utilities and tools for building Arachnid routers
Best Union Reusable Component
Davenport is a CouchDB client for simplifying common tasks like get, list, create, update and delete. This package wraps the original C# package, making it much more friendly to the functional programming style of F#.
Type class instance collection.