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