Top 20 NuGet json Packages

This is the Flurl.Http package, repackaged with strongly named assemblies. See https://flurl.io/ for the official project.
A fluent, portable, testable HTTP client library.
JSON Schema reader, generator and validator for .NET
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
The Couchbase authored new and improved client for .NET based languages! Package supports both .NET Core and Full Frameworks 4.5.2 and greater.
App Metrics Formatters for metrics and environment data to JSON using Newtonsoft.Json.
JsonRpc Rpc Client Nethereum provider
JSON Schema reader, generator and validator for .NET
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.
Nethereum JsonRpc.Client core library to use in conjunction with either the JsonRpc.RpcClient, the JsonRpc.IpcClient or other custom Rpc provider
MySQL provider for Entity Framework Core
XML XSerializer's XML serialization handles properties and types that the System.Xml.Serialization.XmlSerializer does not handle, such as interfaces and dictionaries. It is meant to be a drop-in replacement for the BCL XmlSerializer - it uses the same attributes: [XmlElement], [XmlAttribute], etc. ...
App Metrics Formatters for health check results to JSON using Newtonsoft.Json.
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
.NET Standard 2.0 version of ServiceStack
Enable JSON logging in log4net.
Adds support for logging JSON.NET dynamic types as structured data with Serilog.
JSON Schema reader, generator and validator for .NET