Packages

WebSockets & Realtime Packages

Realtime communication libraries for WebSockets, pub/sub channels, and live data sync — the building blocks behind chat, presence, and collaborative UIs.

125 packages

Packages in WebSockets & Realtime

84Health
Library npm

ws

A simple, blazing-fast, thoroughly tested WebSocket client and server library for Node.js.

22,807
MIT
Used by 116
92Health
Library npm

undici

A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies

7,705
MIT
Used by 70
95Health
Library npm

Socket.IO

Bidirectional, low-latency, event-based realtime communication for Node.js and the browser.

63,210
MIT
Used by 39
85Health
Library npm

@hono/node-server

The official Node.js adapter that runs your Hono application on a native Node HTTP server using web-standard APIs.

676
MIT
Used by 37
82Health
Library npm

http-proxy-middleware

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

11,127
MIT
Used by 20
86Health
Library npm

oRPC Client

Type-safe client for consuming oRPC and OpenAPI APIs over HTTP, WebSocket, or message ports.

5,647
MIT
Used by 6
42Health
SDK npm

chrome-remote-interface

A Node.js client for the Chrome DevTools Protocol, exposing every browser command, event, and type as a plain JavaScript API.

4,554
MIT
Used by 3
55Health
SDK npm

GramJS

Full-featured MTProto client for building Telegram user bots and apps in Node.js and browsers

1,763
MIT
Used by 3
80Health
SDK npm

Baileys

A TypeScript library that talks to WhatsApp Web directly over WebSockets, no browser or Selenium required.

11,146
MIT
Used by 2
40Health
Library npm

isomorphic-ws

A drop-in isomorphic WebSocket client that exposes one identical API in Node.js and browsers.

417
MIT
Used by 2
87Health
SDK npm

node-sdks

The official Node.js realtime SDK for LiveKit, giving server-side apps a typed client for audio, video, data streams, and RPC over WebRTC.

283
Apache 2.0
Used by 2

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