μWebSockets for Node.js back-ends
Command-line client for WebSockets, like netcat (or curl)
High performance Node.js webserver with a simple-to-use API
HTTP/WebSocket server C++14 library
Realtime application framework (Node.JS server)
An embedded web server
LaravelS is an out-of-the-box adapter between Laravel/Lumen and Swoole
A barebones WebSocket client and server implementation
Use your text editor to write in your browser
Fast and low latency asynchronous socket server & client C++ library
A simple server for sending and receiving messages in real-time
Compliant web server for the most demanding of applications
Network library for developing TCP/UDP/SSL/HTTP/WebSocket/MQTT client
websocket and http client and server library, with TLS support
Eclipse Tyrus is the open source JSR 356 - Java API for WebSocket
arduinoWebSockets
Socket.IO server implemented on Java
Bringing Http/Https and WebSockets High Performance servers for PyPy3
A server side alternative implementation of socket.io
JSON-RPC 2.0 implementation over WebSockets for Node.js
WebSocket client library built on SwiftNIO
WebSocket and WAMP in Python for Twisted and asyncio
Future-based Tungstenite for Tokio
Minimalist websocket framework for Go
Simple, fast, reliable websocket server & client