Top 20 NuGet websockets Packages

Helper classes for multi layered application
Lykke WampSharp System.Net.WebSockets.WebSocket support
Lykke WampSharp WebSocket4Net support
Lykke WampSharp Newtonsoft.Msgpack support
Lykke WampSharp Newtonsoft.Json support
MQTT WebSockets Client Library for M2M communication on Net 3.5
WampSharp Owin support
Incredibly simple real-time web for .NET. This package pulls in the server components and JavaScript client required to use SignalR in an ASP.NET application.
A AspNet Core IRouter extension for Json Rpc v2 websocket based requests for Microsoft.AspNetCore.Routing.
C# Message-Based JSON-RPC Client over WebSockets
C# Message-Based JSON-RPC Client over WebSockets
An asynchronous server WebSocket wrapper for .NET Standard 2.1.
WampSharp NewtonsoftMessagePack support
WampSharp Microsoft.AspNetCore.WebSockets support
BeaconspushSharp is a C# wrapper for the Beaconpush REST API.