Command-line client for WebSockets, like netcat (or curl)
Realtime application framework (Node.JS server)
arduinoWebSockets
websocket and http client and server library, with TLS support
Eclipse Tyrus is the open source JSR 356 - Java API for WebSocket
deepstream.io server
Socket.IO server implemented on Java
A Socket.IO client library for Java
Universal Ruby library to handle WebSocket protocol
WebSocket and WAMP in Python for Twisted and asyncio
Future-based Tungstenite for Tokio
Minimalist websocket framework for Go
Bringing Http/Https and WebSockets High Performance servers for PyPy3
A server side alternative implementation of socket.io
μWebSockets for Node.js back-ends
Compliant web server for the most demanding of applications
Extensible socket server application framework for .NET
JSON-RPC 2.0 implementation over WebSockets for Node.js
WebSocket client library built on SwiftNIO
High performance Node.js webserver with a simple-to-use API
Fast, well-tested and widely used WebSocket implementation for Go
LaravelS is an out-of-the-box adapter between Laravel/Lumen and Swoole
Socket.IO-client for iOS/OS X
Network library for developing TCP/UDP/SSL/HTTP/WebSocket/MQTT client
HTTP proxy server,support HTTPS & websocket