Command-line client for WebSockets, like netcat (or curl)
Realtime application framework (Node.JS server)
A barebones WebSocket client and server implementation
A simple server for sending and receiving messages in real-time
arduinoWebSockets
WebSocket and WAMP in Python for Twisted and asyncio
Extensible socket server application framework for .NET
Simple, fast, reliable websocket server & client
Eclipse Tyrus is the open source JSR 356 - Java API for WebSocket
deepstream.io server
websocket and http client and server library, with TLS support
A Socket.IO client library for Java
Socket.IO server implemented on Java
Universal Ruby library to handle WebSocket protocol
Future-based Tungstenite for Tokio
Minimalist websocket framework for Go
Use your text editor to write in your browser
Compliant web server for the most demanding of applications
Bringing Http/Https and WebSockets High Performance servers for PyPy3
A server side alternative implementation of socket.io
μWebSockets for Node.js back-ends
JSON-RPC 2.0 implementation over WebSockets for Node.js
Fast, well-tested and widely used WebSocket implementation for Go
WebSocket client library built on SwiftNIO
High performance Node.js webserver with a simple-to-use API