Top 21 C++ Websocket Projects

Websockets

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1. µWebSockets

   1 43 18,220 8.1 C++

   Simple, secure & standards compliant web server for the most demanding of applications

   

   Project mention: Ask HN: Why does my Node.js multiplayer game lag at 500 players with low CPU? | news.ycombinator.com | 2025-06-28

2. JetBrains

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   Tell us how you use coding tools. You may win a prize! Are you a developer or a data analyst? Share your thoughts about your coding tools in our short survey and get a chance to win prizes!

   

3. uWebSockets.js

   2 36 8,701 8.1 C++

   μWebSockets for Node.js back-ends :metal:

   

   Project mention: Uwebsockets.js | news.ycombinator.com | 2025-03-04

4. C++ REST SDK

   3 13 8,212 1.2 C++

   The C++ REST SDK is a Microsoft project for cloud-based client-server communication in native code using a modern asynchronous C++ API design. This project aims to help C++ developers connect to and interact with services.

   

5. Boost.Beast

   4 11 4,617 8.1 C++

   HTTP and WebSocket built on Boost.Asio in C++11

   

6. arduinoWebSockets

   5 11 1,978 4.6 C++

   arduinoWebSockets

   

7. RESTinio

   6 14 1,244 6.8 C++

   Cross-platform, efficient, customizable, and robust asynchronous HTTP(S)/WebSocket server C++ library with the right balance between performance and ease of use

   

8. ESPUI

   7 2 1,027 4.2 C++

   A simple web user interface library for ESP32 and ESP8266

   

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. Seasocks

    8 0 763 3.5 C++

    Simple, small, C++ embeddable webserver with WebSockets support

    

11. IXWebSocket

    9 4 638 6.0 C++

    websocket and http client and server library, with TLS support and very few dependencies

    

12. ArduinoWebsockets

    10 2 511 4.5 C++

    A library for writing modern websockets applications with Arduino (ESP8266 and ESP32) (by gilmaimon)

    

13. imgui-ws

    11 1 481 2.4 C++

    Dear ImGui over WebSockets

    

14. packio

    12 2 153 3.0 C++

    An asynchronous msgpack-RPC and JSON-RPC library built on top of Boost.Asio.

    

15. malloy

    13 1 84 8.2 C++

    A cross-platform C++23 library providing embeddable server & client components for HTTP and WebSocket. (by Tectu)

    

16. ESP32-http-websocket

    14 1 80 0.0 C++

    ESP32 + HTTP server + websockets + Bootstrap + Husarnet. A simple project template showing how to use those technologies to create a fast, pretty and secure web UI hosted on ESP32. Works in LAN and over the internet. Written using Arduino framework.

    

17. openwebtorrent-tracker

    15 3 76 1.8 C++

    Fast and simple Webtorrent tracker implementation in C++

    

18. ESP8266-Websockets-LED

    16 2 67 6.2 C++

    Real-time addressable LED strip (ws2811/ws2812/ws2812b) control using ESP8266 via web interface.

    

19. WebSocket

    17 1 31 1.9 C++

    A lightweight RFC 6455 (Web Socket) implementation for Qt5 & Qt6 (C++) (by cculianu)

    

20. btc-ticker-esp8266

    18 1 21 0.0 C++

    realtime bitcoin price on 7 segment display with arduino on esp8266

    

21. PetCam

    19 1 15 8.1 C++

    A real-time pet camera application that allows users to remotely monitor and interact with their pets using a web browser, with video streamed from a designated client device to a central server and displayed on a dedicated viewing page.

    

    Project mention: Build Your Own Pet Monitoring System – A DIY Project with ESP32-S3 and WebRTC | news.ycombinator.com | 2025-02-11

22. Arduino_BabyMonitor

    20 3 12 0.0 C++

    A sound sensing system using NodeMCUs and Websockets

    

23. simple_web_game_server

    21 2 9 5.9 C++

    A C++ library for creating authenticated scalable backends for multiplayer web games.

    

24. Sevalla

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    Deploy and host your apps and databases, now with $50 credit! Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more!

    

C++ Websockets related posts

• Ask HN: Why does my Node.js multiplayer game lag at 500 players with low CPU?

  1 project | news.ycombinator.com | 28 Jun 2025

• Uwebsockets.js

  1 project | news.ycombinator.com | 4 Mar 2025

• I'm open-sourcing my game engine

  4 projects | news.ycombinator.com | 19 Dec 2023

• uWebSockets.js

  1 project | news.ycombinator.com | 5 Oct 2023

• Ask HN: How do you handle WebSocket connections reconnect problem?

  2 projects | news.ycombinator.com | 3 Jun 2023

• Recommendations for a CPP HTTP server which supports changing max threads at run time.

  1 project | /r/cpp | 5 Jun 2023

• What's the hot tech stack these days?

  2 projects | /r/PBBG | 23 May 2023
• A note from our sponsor - InfluxDB
  www.influxdata.com | 1 Sep 2025

  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. Learn more →

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