Top 20 NuGet json Packages

Nethereum.JsonRpc IpcClient for NamedPipes and UnixSockets Class Library
A type-safe .NET-library for consuming web APIs
TweetSharp v2 is a fast, clean wrapper around the Twitter API. It uses T4 templates to make adding new endpoints easy.
JSON Patch (https://tools.ietf.org/html/rfc6902) defines a JSON document structure for expressing a sequence of operations to apply to a JavaScript Object Notation (JSON) document; it is suitable for use with the HTTP PATCH method. The "application/json-patch+json" media type is used to identify suc...
Includes types that provide support for creating, serializing and validating JSON Web Tokens.
Definitely Fastest and Zero Allocation JSON Serializer for C#(NET, .NET Core, Unity, Xamarin).
The F# Data library (FSharp.Data.dll) implements everything you need to access data in your F# applications and scripts. It implements F# type providers for working with structured file formats (CSV, HTML, JSON and XML) and for accessing the WorldBank data. It also includes helpers for parsing CSV, ...
Deprecated. Use the strong named ServiceStack.Text package instead.
Authentication, in-game commerce, player data, title data, inventory, characters, statistics, leaderboards, analytics and reporting, friends, multiplayer, matchmaking, tournaments, cloud script, trading, real-time event handling, player management, live ops, and server hosting for all major platform...
JSON ServiceClient implementation based on .NET's HttpClient
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.
Skybrud.Social is a framework in .NET for integration with various social services like Twitter, Facebook and Instagram. The framework will handle all the technical parts and API communication so you don't have to.
Faster than Any Binary?
cloudscribe.SimpleContent.Storage implemented with NoDb file system storage
Provides JSON and XML serialization infrastructure using the ServiceStack.Text implementation.
Json.NET plugin for Npgsql, allowing transparent serialization/deserialization of JSON objects directly to and from the database.
Provides various classes that assist with .NET Core 2 unit testing.
Catel.Serialization.Json library.
A Bridge.NET implementation of the popular Json.NET framework
WampSharp above Newtonsoft.Json, Newtonsoft.Msgpack and WebSocket4Net