Top 20 NuGet AJAX Packages

.NET Error handler/logger used internally at Stack Overflow. Primarily for logging all unhandled exceptions to SQL, but also supporting JSON and Memory based logging.
Provides GeoJSON.Net Converters from / to Wkb binary format.
.NET Library to support to provide support for common development tasks. Supported platforms: - .NET Standard 2.0
JSON mapper for FSharp.Data
WampSharp WAMP1 default binding, implemented using Newtonsoft.Json, WebSocket4Net and Fleck
A client library for accessing FileMaker data.
Load your app settings from an envrinoment variable with JSON-serialized value
Best.EntLib Serialization Json.NET extention lib for .NET Core and .NET 4.6+
Pandora allows external configuration for your projects
The CData JSON Data Provider allows you to display JSON files in a table format. Just specify your credentials to retrieve JSON data and display it in a table.
Read data from strings in XML/JSON/YAML/CSV formats into a tree structure. Create data nodes manually and serialize it back to those formats.
Tools and extensions for working with json.
Jayrock JSON is a versatile JSON parser, formatter and converter for Microsoft .NET Framework.
Adds support for logging JSON.NET dynamic types as structured data with Serilog.
JSON object diffs and reversible patching
Extends JavaScriptConverter to configure System.Web.Script.Serialization.JavaScriptSerializer for handling circular references
Extension to SlimMessageBus that provides JSON serialization based on the Newtonsoft.Json library
Extends ApprovalTests to allow simple approval of complex models.
CAS - Content Addressable Storage (Json Serializer).
JSON-RPC implementation over HTTP.