An embedded web server
Command-line client for WebSockets, like netcat (or curl)
WebSocket and WAMP in Python for Twisted and asyncio
Compliant web server for the most demanding of applications
arduinoWebSockets
Realtime application framework (Node.JS server)
websocket and http client and server library, with TLS support
μWebSockets for Node.js back-ends
Eclipse Tyrus is the open source JSR 356 - Java API for WebSocket
Universal Ruby library to handle WebSocket protocol
HTTP/WebSocket server C++14 library
Bringing Http/Https and WebSockets High Performance servers for PyPy3
Realtime web comms for Clojure/Script
Fast and low latency asynchronous socket server & client C++ library
Use your text editor to write in your browser
A server side alternative implementation of socket.io
High performance Node.js webserver with a simple-to-use API
deepstream.io server
Minimal and idiomatic WebSocket library for Go
Coherent, zero-dependency, lazy, simple, GraphQL
HTTP proxy server,support HTTPS & websocket
A Socket.IO client library for Java
Socket.IO server implemented on Java
Fast, well-tested and widely used WebSocket implementation for Go
Polyglot replacement for Ruby WebSocket servers with Action Cable