Top 23 C# Networking Projects

Networking

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1. Mirror

   1 23 5,808 9.5 C#

   #1 Open Source Unity Networking Library

   

2. Sevalla

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3. DotNetty

   2 2 4,174 4.2 C#

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

   

4. LiteNetLib

   3 25 3,318 6.8 C#

   Lite reliable UDP library for Mono and .NET

   

5. NetCoreServer

   4 2 3,020 2.3 C#

   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

   

6. SteamKit

   5 6 2,842 8.9 C#

   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.

   

7. com.unity.netcode.gameobjects

   6 10 2,246 9.2 C#

   Netcode for GameObjects is a high-level netcode SDK that provides networking capabilities to GameObject/MonoBehaviour workflows within Unity and sits on top of underlying transport layer.

   

8. com.unity.multiplayer.samples.coop

   7 27 1,797 7.5 C#

   A small-scale cooperative game sample built on the new, Unity networking framework to teach developers about creating a similar multiplayer game.

   

9. InfluxDB

   www.influxdata.com featured

   InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

   

10. sharppcap

    8 2 1,442 7.7 C#

    Official repository - Fully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets

    

11. Riptide

    9 4 1,214 6.5 C#

    Lightweight C# networking solution for multiplayer games.

    

12. WgServerforWindows

    10 13 1,205 6.4 C#

    Wg Server for Windows (WS4W) is a desktop application that allows running and managing a WireGuard server endpoint on Windows

    

13. BedrockFramework

    11 6 1,111 5.3 C#

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

    

14. Ceras

    12 2 499 0.0 C#

    Universal binary serializer for a wide variety of scenarios https://discord.gg/FGaCX4c

    

15. NetStack

    13 2 316 0.0 C#

    Lightweight toolset for creating concurrent networking systems for multiplayer games

    

16. Aura-Operating-System

    14 1 266 8.9 C#

    AuraOS, the Franco-English Operating System developed in C# using Cosmos!

    

17. OctaneDownloader

    15 4 252 8.8 C#

    A high performance, multi-threaded C# file download library.

    

18. evillimiter-windows

    16 3 207 0.0 C#

    Tool that limits bandwidth of devices on the same network without access.

    

19. Hazel-Networking

    17 3 205 0.0 C#

    Hazel Networking is a low level networking library for C# providing connection orientated, message based communication via TCP, UDP and RUDP. (by DarkRiftNetworking)

    

20. M2MqttUnity

    18 1 166 2.8 C#

    M2MQTT for Unity

    

21. UniSpyServer

    19 2 142 0.0 C#

    An Open source GameSpy emulator written in C#

    

22. SimpleUnityTCP

    20 1 57 0.0 C#

    🖧 Simple Unity Project to show how TCP communication are builded in C# without multi-threading or Unity network (Unet) involved.

    

23. UNet

    21 1 37 4.2 C#

    Network system for VRChat UDON (by Xytabich)

    

24. MsQuic.Net

    22 1 27 0.0 C#

    .NET wrapper around MsQuic using TLS

    

25. MuVR

    23 3 17 2.2 C#

    The Multi-User Virtual Reality and Body Presence framework is a Unity framework that provides a foundation for multiuser/player VR experiences. Its networking is provided by the Fish-Networking library. It is primarily designed around allowing users to quickly create VR applications.

    

26. SaaSHub

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    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    

C# Networking related posts

• So How do I set up Multiplayer in my 2D game?

  1 project | /r/unity | 8 Jul 2023

• VR Multiplayer interaction with PC / XR toolkit

  1 project | /r/vrdev | 7 Jul 2023

• What are some big no-nos when designing multiplayer functionality?

  1 project | /r/GameDevelopment | 25 Jun 2023

• Is there a better way to do Sockets?

  3 projects | /r/dotnet | 6 Jun 2023

• A thread for negative aspects of LG OLED.

  3 projects | /r/OLED_Gaming | 23 May 2023

• My completely over-complicated solution to turn on my LG C2 48" and PC at the same time.

  2 projects | /r/OLED_Gaming | 18 May 2023

• Making a game takes time, and it took us 6 years. We made this multiplayer sports game in which you can score goals using various abilities and imaginations, let us know what you think!

  1 project | /r/IndieGaming | 16 May 2023
• A note from our sponsor - SaaSHub
  www.saashub.com | 1 Sep 2025

  SaaSHub helps you find the best software and product alternatives Learn more →

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