Top 20 NuGet immutable Packages

This library uses and abuses the features of C# 6 and 7 to provide a functional 'Base class library', that, if you squint, can look like extensions to the language itself.
Get all the common units of measurement and the conversions between them. It is light-weight and thoroughly tested.
Support for Reactive Extensions overloads for various types in the LanguageExt.Core
echo-process Actor library component that works with LanguageExt.Core: An 'Erlang like' process system (actors) that can optionally persist messages and state to Redis (note you can use it without Redis for in-app messaging). The process system additionally supports Rx streams of messages and state ...
Parser combinators library based on Haskell Parsec. This is part of the LanguageExt functional base class library and requires LanguageExt.Core
Javascript actor library that works with LanguageExt.Core and Echo.Process: A library that uses and abuses the features of C# 6 to provide a functional 'Base class library', that, if you squint, can look like extensions to the language itself. It also includes an 'Erlang like' process system (actors...
Actor library component that works with LanguageExt.Core and Echo.Process: A library that uses and abuses the features of C# 6 to provide a functional 'Base class library', that, if you squint, can look like extensions to the language itself. It also includes an 'Erlang like' process system (actors)...
Helper library for LanguageExt.Core that facilitates conversion between F# native types like Option, Map, List, etc to .NET and Language Ext types.
WebSocket client support (via Owin) for the Echo.Process system.
For C#/VB Universal Windows code (UWP), use UnitsNet instead. This is a Windows Runtime Component with reduced functionality to support all UWP languages, such as JavaScript and C++, and other runtime components.
Package Description
Library for storage of immutable .Net types.
Extremely fast binary serializer with tons of features. Full reference persistence (including circular references), polymorphism, zero-allocations, can handle readonly fields, delegates, 'KnownTypes' list for whitelisting and optimization in network scenarios... checkout the github page for a ...
Design and build-time code-gen for lenses and immutable With functions
A Minesweeper Engine built using functional programming paradigms with c# and .NET Standard 2.0
A way to make it easier to create and work with immutable classes in Bridge.NET
Attributes used by Apex.Analyzers.Immutable
Roslyn powered analyzers for C# to support defining immutable types
my useful LiteDB extension methods.
.NET tool to produce new immutable object applying lambda expressions to existing immutable object