Top 20 NuGet sockets Packages

Graphscriber is a middleware made for FSharp.Data.GraphQL that adds support for GraphQL over Web Socket specification in popular servers, such as ASP.NET Core applications.
An implementation of the Tcl scripting language.
An implementation of the Tcl scripting language.
The Proxy Client library allows the user to send and receive requests over Http, Socks4/4a/5 proxies.
TcpClient with SSL support for Windows Phone. Provides SSL Socket support to Windows Phone.
Allows you to transport objects over the networking without having to care about the networking. This protocol uses a small binary header (version+length). The actual object is encoded as JSON.
High performance, reactive TCP / UDP socket middleware for .NET + (NET35 Support)
Foundation for building TCP servers easily.
Sockets Server/Client Library
解析网络应用层协议及相关信息
Sockets communication made easy! The best X.690 protocol implementation out there :)
Simple TCP/UDP sockets with easier interface
A MsgPack Network Interface for use with the UCPeer Nuget package.
An easy to use Socket Library.
Provides easy to use networking. Send and recieve any c# object or file in as little as six lines. Works straight out-of-the-box. Many ways to configure and get more granular control making it easy to use in any project type.
Networking primitives for use with .NET, such as a low-level HTTP client and connection abstractions.
A somewhat performant networking library written in C#. Helps you create well structured networking applications faster and easier.