Top 20 NuGet AJAX Packages

Faster than Any Binary?
A server-side library for .NET that provides real-time HTTP push (comet/reverse Ajax). (Community Edition)
A server-side library for .NET that extends WebSync to use SQL Server as a backend message hub for horizontal scaling. (Community Edition)
A server-side library for .NET that extends WebSync to use a high-performance in-memory cache as a backend message hub for horizontal scaling. (Community Edition)
A server-side library for .NET that extends WebSync to use Azure Caching as a backend message hub for horizontal scaling. (Community Edition)
A library for .NET that extends WebSync to support easy management of IceLink peer-to-peer conferences. (Community Edition)
A client-side library for .NET that extends WebSync to provide location/user-based chat services. (Community Edition)
A server-side library for .NET that extends WebSync to provide optimizations for high network traffic scenarios. (Community Edition)
A server-side library for .NET that extends WebSync to provide notifications when clients subscribe to or unsubscribe from a channel. (Community Edition)
A client-side library for .NET that extends WebSync to provide location/user-based chat services. (On-Demand Edition)
A lightweight JSON-RPC 2.0 service client
JsonStream is a thread-safe dotNet Standard Class Library to make easy to read and to write json structures from/to a stream.
Extension for ServiceStack.Text to allow using EnumMember attributes to serialize and deserialize enumerations.
ServiceStack.Text JSON serializer support for NodaTime
An extension for EntityFrameworkCore that provides Auditing, Concurrency Checks, JSON Complex Types and writing history to Transaction Log.
A simplified Generic method to GET or POST JSON using HTTP, & get it deserialized or serialized into the Object of specified type. Example: Sample sample = new JsonHttpClient<Sample>("http://localhost:10000/api/values").Deserialize();
Rabbit MQ client and server adapters for the ServiceStack web services framework. This library enables consuming and publishing to ServiceStack services when hosted within a Rabbit MQ Server Host.
Wyam is a simple to use, highly modular, and extremely configurable static content generator. This library contains support for parsing JSON content.
Monadic JSON serialization/deserialization library for F#
ASP.NET Web API formatter for partial response (fields) JSON output.