Top 20 NuGet json Packages

Provides an intuitive approach to JSON, including its structure, serialization, JSON Schema, JSON Path, and JSON Patch.
JSON Schema reader, generator and validator for .NET
.NET Standard 2.0 version of ServiceStack
JSON Schema reader, generator and validator for .NET
App Metrics Formatters for metrics and environment data to JSON using Newtonsoft.Json.
ServiceStack is a simple and fast alternative to WCF, MVC and Web API in one cohesive framework for all your services and web apps that's intuitive and Easy to use! To get started see:
.NET's fastest JSON, JSV and CSV Text Serializers. Fast, Light, Resilient. Contains ServiceStack's high-performance text-processing powers, for more info see:
Json.NET is a popular high-performance JSON framework for .NET
NEST 6.x uses an internalized Json.NET serializer. This package enables serialization using your own custom Json.NET serializer
Lightweight and implementation-free interfaces for DTO's, providers and adapters.
A fluent, portable, testable HTTP client library.
Adds support for logging JSON.NET dynamic types as structured data with Serilog.
A cross-platform .NET portable library that implements the JSON-RPC wire protocol and can use System.IO.Stream or WebSocket so you can use it with any transport.
JSON Schema reader, generator and validator for .NET
Nethereum JsonRpc.Client core library to use in conjunction with either the JsonRpc.RpcClient, the JsonRpc.IpcClient or other custom Rpc provider
The Couchbase authored new and improved client for .NET based languages! Package supports both .NET Core and Full Frameworks 4.5 and greater.
A .Net library to handle conversions from and to JSON (JavaScript Object Notation) strings. Written in C#, and it’s intended to be small, fast and easy to use. It's quick and lean, without external dependencies.
Json.NET Schema is a complete and easy-to-use JSON Schema framework for .NET
GraphQL for .NET
Microsoft.Extensions.Configuration (appsettings.json) support for Serilog.