23 best C# Networking in 2022

mRemoteNG is the next generation of mRemote, open source, tabbed, multi-protocol, remote connections manager.

A C# implementation of the WebSocket protocol client and server

Protocol Buffers library for idiomatic .NET

DotNetty project – a port of netty, event-driven asynchronous network application framework

#1 Open Source Unity Networking Library

Surging is a micro-service engine that provides a lightweight, high-performance, modular RPC request pipeline. The service engine supports http, TCP, WS,Grpc, Thrift,Mqtt, UDP, and DNS protocols. It uses ZooKeeper and Consul as a registry, and integrates it. Hash, random, polling, Fair Polling as a load balancing algorithm, built-in service governance to ensure reliable RPC communication, the engine contains Diagnostic, link tracking for protocol and middleware calls, and integration SkyWalking Distributed APM

A powerful tool for managing networks and troubleshoot network problems!

MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.

Lite reliable UDP library for Mono and .NET

SteamKit2 is a .NET library designed to interoperate with Valve's Steam network. It aims to provide a simple, yet extensible, interface to perform various actions on the network.

A C# implementation of the OpenID, OAuth protocols

Low Orbit Ion Cannon - An open source network stress tool, written in C#. Based on Praetox's LOIC project. USE ON YOUR OWN RISK. WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES.

Network Analysis Tool

Ultra fast and low latency asynchronous socket server & client C# .NET Core library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution

Lidgren Network Library

high performance dotnet core socket tcp communication components, support TLS, HTTP, HTTPS, WebSocket, RPC, Redis protocols, custom protocols and 1M connections problem solution

High performance, low level networking APIs for building custom servers and clients.

high performance dotnet core socket tcp communication components, support TLS, HTTP, HTTPS, WebSocket, RPC, Redis protocols, custom protocols and 1M connections problem solution

Tool to analyze and test security in IPv4 and IPv6 data networks

Remote Desktop Protocol .NET Console Application for Authenticated Command Execution

NetworkComms.Net is a high performance cross-platform network library written in C#.

Hazel Networking is a low level networking library for C# providing connection-oriented, message-based communication via RUDP.

Lightweight C# networking solution for multiplayer games.