JSPM

WebSocket protocol handler with pluggable I/O

Standards-compliant WebSocket server and client

The one-liner node.js proxy middleware for connect, express, next.js and more

Generic extension manager for WebSocket connections

SockJS-node is a server counterpart of SockJS-client a JavaScript library that provides a WebSocket-like object in the browser. SockJS gives you a coherent, cross-browser, Javascript API which creates a low latency, full duplex, cross-domain communication

Isomorphic implementation of WebSocket

node.js realtime framework server

Realtime application framework client

Isomorphic WebSocket

SockJS-client is a browser JavaScript library that provides a WebSocket-like object.

normalized JS Object and JSON message and event protocol for ES6+ node.js, browsers, electron, vanialla js, react.js, components, actions, stores and dispatchers

Simple pub/sub messaging for the web

Websocket Client & Server Library implementing the WebSocket protocol as specified in RFC 6455.

JSON-RPC 2.0 implementation over WebSockets for Node.js

Use websockets with the node streams API. Works in browser and node, with all current WS versions

Pusher Channels JavaScript library for browsers, React Native, NodeJS and web workers

Official library for using the Slack Platform's Socket Mode API

Simple, EventEmitter API for WebSockets (browser)

Emulate AWS λ and API Gateway locally when developing your Serverless project

Reconnecting WebSocket

The swiss army knife for binary data in JavaScript.

Isomorphic WebSockets in Node, Bun, Deno and Cloudflare Workers

React Hook for WebSocket communication

basic websocket support for fastify

A better WebSocket that Just Works™

Use websockets with the node streams API. Works in browser and node

WebSocket endpoints for Express applications

Mock websockets and assert complex websocket interactions with Jest

socket.io with a wildcard event

hocuspocus provider

Nextjs HTTP Proxy Middleware

Microsoft Cognitive Services Speech SDK for JavaScript

JavaScript client SDK for bidirectional communication with Centrifugo and Centrifuge-based server from browser, NodeJS and React Native

SocketCluster JavaScript client

A JavaScript / TypeScript / Python / C# / PHP cryptocurrency trading library with support for 100+ exchanges

Per-message DEFLATE compression extension for WebSocket connections

OAuth helper and remote fetcher for Uppy's (https://uppy.io) extensible file upload widget with support for drag&drop, resumable uploads, previews, restrictions, file processing/encoding, remote providers like Dropbox and Google Drive, S3 and more :dog:

AnyCable JavaScript client library core functionality

WebRTC For Node.js and Electron. libdatachannel node bindings.

AnyCable JavaScript client for web

Official library for using the Slack Platform's Real Time Messaging API

Use the same WebSocket client code in a browser or Node.js for isomorphic apps

Simple WebSocket protocol 13 client with no native or heavy dependencies

🧦 The cutest little WebSocket wrapper!

WebSocket stream parser

Mock websockets and assert complex websocket interactions with Vitest

HTTP, HTTP2, HTTPS, Websocket debugging proxy

High performance Node.js webserver with a simple-to-use API powered by uWebsockets.js under the hood.

Admin UI for Socket.IO

A simple Node websocket library to handle http upgrades.

WebSocket cat

A SIP library for JavaScript

Stomp client over websocket for browsers and nodejs

Run a machine from an HTTP or WebSocket request.

the Javascript SIP library

WebSocket adapter plugin for hapi routes

Complete & robust Node.js SDK for Bybit's REST APIs and WebSockets, with TypeScript & strong end to end tests.

Simple async iterables for websocket client connections

Server module for SocketCluster

A Promise-Based WebSocket implementation for Node.js

Strophe.js is an XMPP library for JavaScript

Simple pub/sub messaging for the web

Simple, EventEmitter API for WebSockets (browser)

Comet and WebSocket library for web messaging

An alternative to the sticky-session package (https://github.com/indutny/sticky-session)

Binding to mock Socket.IO connections with Mock Service Worker

A React Component to connect to a websockified VNC client using noVNC.

tiny modern websocket client

A WebSocket client library providing Promise-based API for connecting, disconnecting and messaging with server

<div> <div align="center"> <img src="https://raw.githubusercontent.com/jjxxs/websocket-ts/gh-pages/websocket-ts-logo.svg" alt="websocket-ts" width="300" height="65" /> </div> <p align="center"> <img src="https://github.com/jjxxs/websocket-ts

The Ultimate Express. Fastest http server with full Express compatibility, based on uWebSockets.

A Vue plugin that makes integrating ActionCable easy.

Framed WebSocket Communication

WebSocket-based TypeScript Language Server Protocol server

OBS Websocket API in Javascript, consumes @Palakis/obs-websocket

Primus is a simple abstraction around real-time frameworks. It allows you to easily switch between different frameworks without any code changes.

HTTP Man In The Middle (MITM) Proxy

HAPI plugin for seamless WebSocket integration

native websocket implemantation for vuejs and vuex

socket.io implementation for Vue.js and Vuex

A modern and powerful server for Node.js

WebRTC For Node.js and Electron. libdatachannel node bindings.

SDK to connect to the blocknative backend via a websocket connection

React websocket component with STOMP over SockJS

This package includes the resources needed to write a Lightstreamer client.

OCAP Chain websocket server and client

Basic server&client approach to websocket (text and binary frames)

Solana Swap Library for Solana Tracker Swap API

Crisp API wrapper for Node - official, maintained by Crisp

A robust reconnecting WebSocket client for the browser

Expose WebSockets with JSON as an object stream.

Client for the Speechmatics real-time API

A simple JSON-over-HTTP/WS RPC server and client

Foxglove WebSocket protocol

XMPP websocket for JavaScript

The fastest and smallest JavaScript object serialization library. Efficiently encode your objects in to compact byte buffers and then decode them back in to objects on the receiver. Integrates very well with WebSockets.

Koa meets socket.io connected socket

An Angular WebSocket service for connecting client applications to servers.

streaming sockjs for node and the browser

Add support for WebSockets in the Next.js app directory

open telemetry instrumentation for the `socket.io` package

A Persistent WebSocket wrapper

Apollo server for AWS Lambda with WebSocket subscriptions support over API Gateway v1 + v2

Professional Node.js & JavaScript SDK for Binance REST APIs & WebSockets, with TypeScript & end-to-end tests.

lasagna.js, the reference client for the Lasagna web service

Socket.io bindings for Vue.js and Vuex (inspired by Vue-Socket.io)

支持vue3和vuex、pinia的websocket插件

Node-RED integration with Home Assistant through websocket and REST API

json-rpc websocket transport

An API GateWay service for Moleculer using Socket.IO

rxjs 7 websockets library

React Native Hook designed to provide robust WebSocket integrations to your Components.

NPM package module for Mempool APIs.

protoo JavaScript client module

Node.js library to receive live stream chat events like comments and gifts from TikTok LIVE.

A redux middleware to handle websocket connections

Primitive to create a web socket connection

Tiny WebSocket middleware for Node.js based on ws.

Asynchronous data framework for React

Node.js module for interacting with the Euler Stream signature service.

This package includes the resources needed to write a Lightstreamer client.

HTTP Man In The Middle (MITM) Proxy. This is a fork of Joe Ferners' library node-http-mitm-proxy. Its first release was identical to the master version of the original library, commit 66ac0f5d3298f66b731f90ebf1e9b430fa5d76eb. I decided to publish a scoped

Simple Koa middleware for websocket handling

Complete Node.js SDK for OKX's REST APIs and WebSockets, with TypeScript & end-to-end tests

A basic package for building fake messaging services that communicate over websockets. Can run as a nodejs service, or be bundled inside the browser.

A small Node module containing enumerated Websocket status codes.

chia rpc/websocket client library

SDK for MetaApi, a professional cloud forex API which includes MetaTrader REST API and MetaTrader websocket API. Supports both MetaTrader 5 (MT5) and MetaTrader 4 (MT4). CopyFactory copy trading API included. (https://metaapi.cloud)

Tunnelmole, an open source ngrok alternative. Instant public URLs for any http/https based application. Available as a command line application or as an NPM dependency for your code. Stable and maintained. Good test coverage. Works behind firewalls

Isomorphic implementation of WebSocket

WebSocket endpoints for Express applications

WebSocket API wrapped as a component for React Native

Enable Socket.IO server support Azure Web PubSub Service

Simple emitter wrapper for Primus

Server plugin for cordis

MQTT broker as a module

Verify,create adonis websocket packets

WebSocket testing plugin for Cypress

Power your ember.js application with actioncable

SDK for Hyperliquid API

custom fork of uWebSockets 0.14

High performance reactive framework for async data.

Beacon wallet provider

Simple pull-streams for websocket client connections

HTTP/HTTPS testing server for your tests.

Simple STOMP 1.1 Broker for nodejs http applications.

egg plugin for socket.io

ReactJS Websocket Listener Component

ZMODEM file transfers in JavaScript

JSON-RPC 2.0 implementation with websockets

A minimalist javascript audio player for PCM streaming audio

Use class-based controllers to handle websocket events.

A TypeScript SDK to receive pushed updates from OpenSea over websocket

[](https://www.npmjs.com/package/@n1ru4l/socket-io-graphql-server) [](https://www.npmjs.co

QA Wolf automation testing package with real-world dependencies

websocket heartbeat

Configure http2-proxy middleware with ease for koa.

A Fastify plugin for channels implementation based on Redis streams.

A socket DataSource for Falcor

Javascript library to communicate with Centrifugo HTTP API

SDK JavaScript sécurisé pour l'intégration des QR codes d'authentification et KYC SunuID

Async State Management without the Management. REST, GraphQL, SSE, Websockets, Fetch

A client for Amazon Transcribe using the websocket interface

Redis pre-sharded chanells implementation

Define an connect to a declarative and type safe REST and WebSocket service.

Simple and Light RPC Library for aria2

Run a service defined by @rest-vir/define-service and implemented by @rest-vir/implement-service.

Plivo's Javascript SIP library

Convenient access to tick-level historical and real-time cryptocurrency market data via Node.js

Simple module that helps you to build a `request-response` abstraction on top of any other solution (e.g. streams).

Expose WebSockets with JSON as an object stream

The swiss army knife for binary data in JavaScript.

[](https://www.npmjs.com/package/@n1ru4l/socket-io-graphql-client) [](https://www.npmjs.co

Implement a service defined by @rest-vir/define-service.

JSON-RPC 2.0 server and client library, with HTTP, TCP and Websocket endpoints

websocket server for Adonis framework

TRPC adapter for bun js runtime

Official library of BitcoinAverage API

Complete Node.js & JavaScript SDK for Bitget V1-V3 REST APIs & WebSockets, with TypeScript & end-to-end tests.

JSON-RPC 2 over WebSocket

Quickly implement websocket API in express

📽 Relay an RTSP stream through an existing express.js server

Multimirror Echo Solution for real time communication.

Async State Management without the Management. REST, GraphQL, SSE, Websockets, Fetch

Simple pull-streams for websocket client connections

Amazingly fast, feature-rich, lightweight WAMP Javascript client (for browser and node.js)

a simple command-line http server with the built-in zero-configuration automatic page reloads.

WebSocket tunneling library for Node.js and other runtimes

Full-featured, middleware-oriented, hackable HTTP and WebSocket proxy

WS WebSocket client wrapper to automatically reconnect lost or disconnected connections.

ThinkJS - Use full ES6+ features to develop web applications

Listen to events on Twitch via their EventSub API using WebSockets.

Utility for creating HTTP and WebSocket servers for testing

Hooks to easily use Rails Action Cable in your React application

React component to connect and display a remote VNC connection

Protocol Buffers for JavaScript. Finally.

socket.io implementation for Vue.js and Vuex

Javascript mocking library for websockets

SignalR plugin for Vue 3

Javascript library for the Twitch Messaging Interface.

A re-export of WebSocket from undici for compatibility with Bun.

SSH Terminal component based on xterm.js for multiple frontend frameworks

Normalized state management for async data. Safe. Fast. Reusable.

Logux core components

Multi-protocol simple RPC server and [optional] client. Boilerplate-less. Opinionated. Minimalistic. DX-first.

Connect to the XRP Ledger using WebSockets

simple jsonrpc client/server handler

JS клиент для NCALayer стремящийся быть максимально простым в использовании

Gulp plugin to run a local webserver with livereload enabled via socket.io. Also comes with standalone command-line interface.

Simple, Fast, Robust Implementation of JSON-RPC 2.0 over WebSocket for Node.js w/ TypeScript

Simple and flexible integration for ActionCable and Angular applications

AWS IoT MQTT broker client

Build own Logux server or make proxy between WebSocket and HTTP backend on any language

Real-time web framework

free for all.Websocket or Http

Asynchronous QObject communication

Run MCP SuperAssistant over SSE or visa versa

Node.js SDK for Coinbase's REST APIs and WebSockets, with TypeScript & strong end to end tests.

Websocket client for AdonisJs

A High-Order Component to connect React and Socket.io

Plugin for Elysia that add support for websocket

Type definitions for lib-websocket.

A lightweight ASP.NET SignalR client for Angular

http server

Vert.x Event Bus Bridge Client

Access Clover devices through the cloud.

Websocket client for 37 cryptocurrency exchanges

Microsoft Cognitive Services Speech SDK for JavaScript

[AWS MQTT](http://docs.aws.amazon.com/iot/latest/developerguide/protocols.html) Websocket Pub/Sub with AWS IoT based on [MQTT.js](https://github.com/mqttjs/MQTT.js). Recently [AWS released support of WebSockets for IoT](https://aws.amazon.com/about-aws/wh

STOMP for AngularJS

A wrapper for websocket in nodejs and browser.

Socket.io helper functions

Websocket (server/client). Light, fast and secure.

Reconnecting WebSocket

svelte store with a websocket backend

A WebSocket JavaScript library

Websocket handler for Vue.js

OSC library for Node.js and the browser, with customizable Plugin API for WebSocket, UDP or bridge networking

Logux base components to build web client

Streamer.bot WebSocket client library

Im making a wrapper for the Minecraft WSS API, an undocumented API that lets you communicate with Minecraft Bedrock Edition through WebSockets.

Microsoft Speech SDK for browsers

小智 AI 客户端 命令行工具

Chat core library with MongoDB and Redis support

Redux compatible API for Logux

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Complete BLE testing stack: WebSocket bridge server, MCP observability layer, and Web Bluetooth API mock. Test real BLE devices in Playwright/E2E tests without browser support.

post to a connected websocket client via api gateway