Command-line client for WebSockets, like netcat (or curl)
Realtime application framework (Node.JS server)
An embedded web server
websocket and http client and server library, with TLS support
Network library for developing TCP/UDP/SSL/HTTP/WebSocket/MQTT client
Use your text editor to write in your browser
μWebSockets for Node.js back-ends
deepstream.io server
JSON-RPC 2.0 implementation over WebSockets for Node.js
Bringing Http/Https and WebSockets High Performance servers for PyPy3
arduinoWebSockets
A server side alternative implementation of socket.io
Universal Ruby library to handle WebSocket protocol
WebSocket client library built on SwiftNIO
High performance Node.js webserver with a simple-to-use API
LaravelS is an out-of-the-box adapter between Laravel/Lumen and Swoole
HTTP proxy server,support HTTPS & websocket
Minimal and idiomatic WebSocket library for Go
Coherent, zero-dependency, lazy, simple, GraphQL
Realtime web comms for Clojure/Script
Eclipse Tyrus is the open source JSR 356 - Java API for WebSocket
A Socket.IO client library for Java
Socket.IO server implemented on Java
Fast, well-tested and widely used WebSocket implementation for Go
HTTP/WebSocket server C++14 library