Turn any program that uses STDIN/STDOUT into a WebSocket server. Like inetd, but for WebSockets.

Simple to use, blazing fast and thoroughly tested WebSocket client and server for Node.js

Small, fast, modern HTTP server for Erlang/OTP.

🚀 PHP Microservice Full Coroutine Framework

swoole,easyswoole,swoole framework

Realtime Client Server Framework for the JVM, supporting WebSockets with Cross-Browser Fallbacks

Library for building WebSocket servers and clients in Python

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

Command-line client for WebSockets, like netcat (or curl) for ws:// with advanced socat-like functions

Lightweight, facility, high performance golang based game server framework

Your high performance web application C framework

arduinoWebSockets

A polished, production-ready backend framework in Dart for the VM, AOT, and Flutter.

iodine - HTTP / WebSockets Server for Ruby with Pub/Sub support

A curated list of Websocket libraries and resources.

💨 Blazing fast low-level WebSocket server

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

Web Framework to build REST APIs, Webservices or any HTTP endpoint in C language. Can stream large amount of data, integrate JSON data with Jansson, and create websocket services

C++高性能分布式服务器框架,webserver,websocket server,自定义tcp_server（包含日志模块，配置模块，线程模块，协程模块，协程调度模块，io协程调度模块，hook模块，socket模块，bytearray序列化，http模块，TcpServer模块，Websocket模块，Https模块等, Smtp邮件模块, MySQL, SQLite3, ORM,Redis,Zookeeper)

〽️ Symfony2 server side (Ratchet) & client websocket (Autobahn)

Autobahn WebSocket protocol testsuite

fast, standalone, language-agnostic WebSocket server RFC6455 compliant

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

A simple WebSocket Server and Client implementation in PHP.

The Hoa\Websocket library.

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

A micro HTTP Web server that supports WebSockets, html/python language templating and routing handlers, for MicroPython (used on Pycom modules & ESP32)

simple php websocket server + demos + yii/yii2 integration + php 7 support

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

A developing game server framework,based on Entity Component System(ECS).