Top 20 NuGet json Packages

Adds ajax capabilities to scalable JavaScript application (jQuery is the base library).
Provides a collection+json media type formatter for ASP.Net Web API.
Convenient way to collect structured form data into JavaScript object.
REST framework Restful.Net makes it easier to make a pure restful service, without being bogged down by huge frameworks that can, but is not quite built to make restful services.
Easy to use JavaScript two way binding framework.
Easy to use JavaScript two way binding framework.
Easy to use JavaScript templating and binding framework.
A strongly typed object store, using JSON to persist data in blob storage.
A C# Server side component for the popuplar jQuery datatables plugin http://datatables.net/
JsonRPC Portable Class Library
Storage made simple, fast and easy across platforms. Supports .NET 4 and later, Silverlight 4 and 5, Windows Store Apps, and Windows Phone 7 and later.
Contains an implementation of IDataFormatter for Json.NET
A C# Serverside parser for the popuplar jQuery datatables plugin
A simple object store library to persist objects for demo and testing applications. The objects will be serialized to JSON and stored on the file system by default.
Restcoration adds attributes that enable classes to be used for easily fetchable rest requests, in a domain-driven fashion.
Provides a Json mask MediaTypeFormatter implementation for ASP.NET Web API
JSON ORM is an open source very lightweight framework developed on top of json.net. The Idea is to make json more quickly and easily implementable manage local storage as json.
Binaries for the Polarize library. Visit https://github.com/tejacques/Polarize for an overview and usage examples.
A simple object store library to persist objects for demo and testing applications. The objects will be serialized to JSON and stored on the file system by default. This package contains the Azure storage provider.
Package contains contract resolver for JSON.NET and some tools for configuring your models for serialization. You can read about HAL JSON here: http://stateless.co/hal_specification.html