JSPM

100ms Room Kit provides simple & easy to use UI components to build Live Streaming & Video Conferencing experiences in your apps.

A simple and responsive transport

Scalable Data Sync implementation for the browser. Based on https://github.com/vacp2p/rfc-index/blob/main/vac/raw/sds.md

Bidirectional Channel for JavaScript

Waku Message Payload Encryption

SDK for Azure Communication service which facilitates phone number management.

A TypeScript-first decorator library that simplifies Electron IPC communication with type safety and automatic proxy generation

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TypeScript SDK for integrating with the Towncryer API

Netgsm API Client for SMS sending and reporting

A comprehensive n8n community node for WSAPI - the powerful WhatsApp API Gateway. Easily integrate WhatsApp messaging, contact management, group operations, and more into your n8n workflows.

Sendbird Calls SDK for React Native: Empower React Native apps with seamless audio, video, and group calling. Build interactive communication easily.

End-to-end encrypted messaging plugin for Shogun SDK

Official TalkLynk SDK for video calling and chat integration

Type-safe API surfaces that work across process boundaries

QuickBlox SDK for React Native

MCP Communication Server - Node.js TypeScript Implementation for Email and WhatsApp communication

Node.js interprocess communication with JSON

PeerData - library for files, media streaming/sharing using WebRTC

An event emitter for same-origin tab communication

Interaction between cluster processes (messaging, broadcasting, locks etc)

A Node-RED node to interact with Allen Bradley / Rockwell PLCs using the EtherNet/IP Protocol

SDK for Azure Communication Services which facilitates short code management.

React use hook for global event dispatch and listening

Vite plugin for iframe-host communication, automatically injecting communication logic into iframe projects

A Node.js library written in TypeScript containing shared behavior for the other packages, e.g. code handling communication and authentication with Axis Communication cameras.

Remote procedure calls for Pip.Services in Node.js

a node.js API using Slack their RTM API

A lightweight SIP communication SDK based on sip.js for web applications

non-browser real-time communication endpoint, interoperable with webrtc enabled browsers.

WebSDK调度中心Vue2组件库，提供调度通信功能

Primitives & operators for Communicating Sequential Processes based on async/await and async iterables

GRPC calls for Pip.Services in Node.js

A Node-RED node to interact with Allen Bradley / Rockwell PLCs using the EtherNet/IP Protocol

Event publish - subscribe mechanism as Angular service using Observable. You can publish your event along with any data to all the subscribers of your event. This library also supports historical published values for the subscribers.

A safe IPC bus for applications built on Node or Electron.

HumanLayer, but on your command-line.

A port of ZeroRPC to node.js

A nodejs module for local and remote Inter Process Communication (IPC), Neural Networking, and able to facilitate machine learning.

Publisher subscriber library for communication in JS across components

A scalable and type-safe Electron IPC management tool with enhanced DX

TypeScript reference implementation of the SNAP Protocol v1.1 - Agent Internet Edition

A small (dependency-free) library for 2-way iframe communication.

WebExtension module: Simple message handler

Clean, organized email-like messaging system for AI agents with 7 essential tools for agent communication and management. Built with TypeScript, Clean Architecture, and MCP Protocol compliance.

Unofficial Zalo integration for n8n - Send messages, manage groups, user operations with QR login. No API key required, works via browser simulation.

SDK for Azure Communication Services which facilitates Alpha IDs administration.

Test

SDK for Azure Communication Services which facilitates Toll Free Verification.

Provides easy and secure websocket communication mechanisms, including server and client implementation, function call routing, connection management, and tagging.

n8n custom node for zalo bot

A library to interface with Power Tools using the Atlas Copco Open Protocol

Reusable communication module for internal HTTP requests and templating.

An ultra-lightweight Javascript utility for simplified cross-domain messaging.

pure js/ts sdk for building decentralised localfirst web apps. Provides tts ai model integrations, realtime p2p communication & crypto encryptions.

Helper package to bootstrap Waku app

Variadic Remote Procedure Calls

A lightweight package for triggering callbacks to registered callbacks

High-performance native shared object store for Node.js worker threads

Simple way to communicate with SEFAZ SOAP web services

A lightweight, framework-agnostic SDK for Agent WebSocket/SignalR communication

ioBroker knx Adapter

SCION Microfrontend Platform enables you to successfully implement a framework-agnostic microfrontend architecture using iframes. It provides you fundamental APIs for microfrontends to communicate with each other across origins and facilitates embedding m

Test

Process hierarchies & operators for cooperative multitasking

baileys whatsapp-api

Library for publish and subscribe events on message bus. In addition, it is possible to perform resource requests from the use of the standard commonly known as RPC.

Remote procedure calls for Pip.Services in Node.js / ES2017

Event publish - subscribe mechanism as JavaScript library using Observable. You can publish your event along with any data to all the subscribers of your event. This library also supports historical published values for the subscribers.

Bridge package between Sade and Node

postMessage made simple & safe

A comprehensive WebSocket handler library for Node.js with client and server support, featuring channels, reconnection strategies, and event management

A powerful and smooth client/server sockets library for browser and NodeJS. Supports both WebSockets and regular TCP sockets, TLS encrypted or not.

NodeJS module to communicate with Crestron processors through CIP (Cresnet over IP) protocol

Line n8n webhook & messaging nodes

A simple module that enables you to perform and handle requests among your apps on the browser

An event-driven IPC implementation using unix file sockets.

A modern, TypeScript-first MQTT client library that provides a better developer experience with async iterators, shared subscriptions, and React hooks. Better MQTT is a wrapper around the excellent [mqtt.js](https://github.com/mqttjs/MQTT.js) library, enh

Inter-process and inter-computer event emitter that supports TCP, UDP and Unix sockets

A serializer of object, buffer, string, number and boolean for socket.

Edvak Nexmo Client SDK for JavaScript

Install the dependencies:

hprose for node.js

Two way communication between react components through iframes

Singleton event emitter for inter-application communication.

A powerful iframe communication bridge for micro-frontend applications

Complete TypeScript implementation of Google's Agent-to-Agent (A2A) protocol - unified package with client, server and core components

Library for managing inter-tab communication

DNS Peer Discovery (EIP-1459)

Peer Exchange (https://rfc.vac.dev/spec/34/) protocol for Waku

A lightweight tool library for connecting React Native and webview, providing communication and success and failure callback methods

Core library for iframe-host communication, providing navigation control and URL change notifications

A TypeScript/React bridge for seamless communication between Flutter WebView and web applications

Messaging Helper for Event Driven Systems

API for interacting with Agent

A lightweight TypeScript library for reliable communication between parent window and multiple iframes using postMessage, supporting one-way messages, request-response patterns, broadcast messaging, timeout handling, and automatic resource cleanup.

A Model Context Protocol (MCP) server that enables communication and coordination between multiple Claude Code agents working across different repositories in a multi-service architecture

JavaScript API library for the ADAMANT Blockchain

Webpack plugin for iframe-host communication, automatically injecting communication logic into iframe projects

A powerful state management library for Chrome extensions, providing seamless communication between different extension contexts and components.

基于 WebSocket 的智能体通信库，提供智能体身份管理和实时通信功能

postMessage web api based lightweight interframe communication layer

Ylide Protocol SDK for cross-chain communication and messaging

A lightweight utility for bidirectional communication between parent and child windows (e.g., iframes) using postMessage.

Live video component for Roberts Communication Networks LLC customers

RLE - run length encoding, the simplest approach for lossless compression

React Native WebView extension with 2-way event-based communication API

Send push notifications to gotify

Easy-to-use messaging between iframes and their parent

A reactive transport layer for messaging communication with pluggable adapters and RxJS observables

AiDistrict agents discovery and communication

🚅 Shotx - Powerful real-time communication library.

Tauri plugin for Centrifugo real-time communication using tokio-centrifuge

Claude Chat Message Router - A message routing service for Claude instances

A simple Express.js and NATS Streaming package for inter-microservice communication

Customizable React chat component for workplace communication

HMSSDK now provides support for Virtual Background using @100mslive/react-native-video-plugin. It allows users to change their background during a call. Users can choose from a variety of backgrounds or upload their own custom background. It also provides

Class that enables bidirectional serial communication between web browsers and Bluetooth Low Energy modules via the Web Bluetooth API

Capacitor NFC plugin for device-to-device communication and WebRTC initialization

SCSS themes for kovaad-chat-ui-kit library

This module helps you to represent a device and its protocol.

Kovaad's React component library for creating chat interfaces

Hprose is a High Performance Remote Object Service Engine.

A universal message communication library for JavaScript/TypeScript that works across different environments including Worker threads, WebSocket, and other communication channels

A simple JavaScript library providing an asynchronous method call interface for Workers, Iframes and cross-window contexts

PrivMX Web Endpoint library

A nodejs module for local and remote Inter Process Communication (IPC), Neural Networking, and able to facilitate machine learning.

webrtc based communication and collaboration client. Contains lot of experiments modules

HttpRelay JavaScript and TypeScript library

A Roblox (near) real-time communication module between a Roblox game server and your own server.

React wrapper around the vrpc library

Make communication actions and reducers for redux

A community n8n node for ntfy.sh

Manage Node resources from PHP

a React Component or Hook which allow multiple websocket connections

Response-request abstraction on top of Electron IPC system.

GraphQL Network Communication Framework (Server)

Email-like messaging for AI agents across different projects

Messaging in Web Extensions made easy. Out of the box.

A modular, composable cross-context communication system for Web Workers, iframes, Shared Workers, and Service Workers

A comprehensive WebSocket client package with SimpleWebSocket (app authentication) and WebSocketClient (advanced features)

Messaging in Web Extensions made easy. Out of the box.

Two way communication between react components through iframes

A Node-RED node to interface with Power Tools using the Atlas Copco Open Protocol

Ultra-Compressed Communication Protocol - AI reasoning enhancement through bias elimination

GRPC calls for Pip.Services in Node.js / ES2017

A mini web library for communicating with a comm server via WebSocket and HTTP.

SCSS dark mode themes

FutoIn Service base with strict API definition for Node and Browser

A lightweight, browser-only framework for inter-tab/window communication using the Broadcast Channel API

Ylide Protocol SDK implementation for EverScale blockchain

TypeScript types and React Native implementation for WebView bridge communication

Extension of the @electron-common-ipc with web socket support

一个通用的通信桥接器，用于 H5 前端和 Python 后端之间的通信

CODAI WebSocket real-time communication service

Qamon Protocol SDK for messaging

React component library for creating chat interfaces

A lightweight library for two-way RPC communication between parent and iframe windows.

This module facilitates event based communication between parent and child process

Customizable React chat component for workplace communication

A package/service to provide publish/subscribe pattern for communication in Angular

Peer-to-peer (P2P) data channel over WebRTC and a signaling channel on the browser

Azure client library for Azure Communication Call Automation services

A TypeScript library that provides type-safe Remote Procedure Call (RPC) communication between different JavaScript contexts using various transport mechanisms

Enhanced WebSocket nodes for n8n with bidirectional communication support

Package provide communication layer to ProconTel web infrastructure

CLI to upload emojis to Slack

Ylide Protocol SDK implementation for EVM-based blockchains

TypeScript implementation of the Waku v2 protocol

OscSocket for node.js

Cross-micro communication for Orchard9 platform

Facilitate communication with nyvalis core

Intelligently batch and combine messages within a specified time window for n8n

SDK for facilitating communication between parent app and iframe mini-app

Communication library for lazy enthusiasts

Using the local storage as a communication channel

DeepBank Platform Unified SDK for cross-domain communication

RPC event based router for JavaScript bi-directional messaging

Internal and external core, inter- and extra- communication procedures separated from myelin.

Multi-agent tmux coordination system for Claude Code with perfect Unicode support

An API to communicate with an R11 server

Bidirectional API communication between external and iframed websites

SCSS themes for @chatscope/chat-ui-kit-react library

Set of polyfills for Waku for React Native environment

HttpRelay JavaScript and TypeScript library

This module builds a message according to the protocol established for the communication between the SmartCLIDE IDE frontend and its components.

iframe message

Use stdio to make a hidden ipc channel.

React hooks and components to use js-waku

Connected vigour-state, works as a server and a client

MicroCap - A distributed agent communication framework for building scalable message-based systems

A WebSocket connection wrapper that exposes events as RxJS observables, allowing for idiomatic management of connection lifecycle

web-to-app-bridge is a lightweight JavaScript library that enables seamless communication between a web application and a mobile app (React Native, Native Android/iOS).

🔗 Simplified, type-safe wrapper for web extension messaging, ensuring seamless communication across different contexts.

[](https://nodei.co/npm/event-broadcast/)

Common code for Coect projects.

Transparently, efficiently and securely invoke remote or local service methods with strict API definition for Node and Browser

Simple gRPC Connector is a JavaScript library that provides an easy-to-use interface for integrating gRPC functionality into your applications. It simplifies the process of creating gRPC clients and servers, making it effortless to publish functions as gR

A simple node interface for Ethernet/IP.

baileys whatsapp-api

🔧 Enhance your Chrome extensions with efficient and type-safe RPC communication across all layers.

All in one chat includes a web component and a backend service for real-time chat. This is the client package of @aio-chat

Half-duplex serial port for communication with serial devices

Manage Node resources from PHP

MCP server for communicating with users through Telegram bots

Event Driven Communications Event Objects and Validation

A JavaScript library for easy integration of REST API and WebSocket communication with state management in JS applications.

A default validator for Runnel

All in one chat includes a web component and a backend service for real-time chat. This is the server package of @aio-chat

Module for safe inter process communication (IPC) in electron. TypeScript supported.

Runnel is a type safe event bus for microfrontends.

MCP server enabling room-based messaging between multiple agents

A nodejs based user-friendly bidirectional real-time communication tool, powered by native web sockets, providing simplicity and scalability.

Wormhole - is EventEmitter for communication between tabs.

Generate JWT tokens for Kling API using n8n custom node.

WebRTC2 Client - React Native, Web & Electron WebRTC hooks and components for cross-platform real-time video calls, audio communication, and screen sharing

A class that helps orchestrate an application's communication links.

AngularJS wrapper for SimpleWebRTC client from https://simplewebrtc.com/

A module for client / server / p2p encrypted super-secret communication.

QuickBlox JavaScript SDK

Talk to Sim with Teach Feature

All in one chat includes a web component and a backend service for real-time chat. This package contains both the client and server packages.

ZeroRPC bridge to the web

Method WebSocket. A simple wrap on top of websocket for client and server communication by serving methods in both sides in an asynchronous response.

Asychronuous messaging components for Pip.Services in Node.js

Boilerplate set up to use Azure Communication Services UI Library.

Base network adapter for Hypermode ChatKit

Type-safe event bus for iframe communication

Visualize a 3D reference and citation network in time.

Huddle01 Web Token Gating Library

React hook for state management in chat applications

SCSS themes for @wearemothership/chat-ui-kit-react library

Adashta client javascript library

n8n nodes for Facebook Messenger integration - Send and receive messages through Facebook Messenger

A package/service to provide publish/subscribe pattern for communication in React

🔗 Simplified, type-safe wrapper for web extension messaging, ensuring seamless communication across different contexts.

Simplifies the process of establishing secure WebRTC Direct data channels for real-time peer-to-peer communication.

Manage Node resources from PHP

Focus on your backend, write less javascript.

Rest api for communication with WhatsApp

React Native SDK for Chative

React component library for creating chat interfaces

The Disco Bus protocol, is a versatile master/slave protocol well suited for multidrop networks, like RS485.

Front-end back-end communication infrastructure

Abstract the way your node appications talk to each other so you can implement what ever protocol you want (http, sockets etc) with the same interface

Opentok Accelerator Core

A powerful TypeScript library for building distributed systems with event bus, streaming capabilities, and remote object invocation. Features WebSocket-based bidirectional communication between Node.js and browser environments, service discovery, and type

A powerful, simple, promise-based, secure postMessage library

Simplified IPC communication for Electron apps