Top 20 NuGet websocket Packages

Simple .Net Standard library for sending and receiving json and bson messages through WebSocket.
Intrinio provides real-time stock prices via a two-way WebSocket connection.
Simple, lightweight, yet powerful way to build reactive, real-time web apps. SignalR hub for ASP.NET Framework.
Client for Bitfinex and Ethfinex websocket API version 2.0
C# client implementation for socketcluster framework in node.js
A cross platform EngineIo client library for .NET NetStandard core.
A Cross Platform Pusher Client for .NET Core NetStandard
Unity client implementation for socketcluster framework in node.js
Class library that implements the WebSocket protocol according to the standards in RFC6455 using a simple API.
Implementation of Butterfly.Web for RedHttpServer (see https://github.com/rosenbjerg/Red)
Implementation of Butterfly.Web for EmbedIO (see https://github.com/unosquare/embedio)
A cross platform WebSocket client library for .NET NetStandard core.
ASP.NET Core integration for JsonRpcNet
AdvancedSockets is a multithreaded websocket and http client/server library for dotnet applications. With this library you can easily setup websocket clients and servers as well as http servers.
Client for Bitstamp Pro websocket API
AngularJS bindings for Firebase.
prebuilt libwebsockets version 1.3 libs for Windows Phone 8.0