JSPM

Nexmo Client SDK for JavaScript

Connectic is a javascript library for pub sub messaging, event handling, and data synchronization in real-time applications.

Azure client library for Azure Communication Call Automation services

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Typesafe cross-platform pubsub event bus ensuring reliable communication between fragments and micro frontends.

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Definition of Waku interfaces

TypeScript implementation of the Waku v2 protocol

Efficient and simple interprocess communication for unix/windows/macos over tcp or sockets.

A wrapper around MessageChannel API for bi-directional communication between two browsing contexts.

Protobuf definitions for Waku

ENR (EIP-778) for Waku

A React component for communicating between a parent window and an iframe.

Different utilities for Waku

Simplified IPC communication for Electron apps

Contains various discovery mechanisms: DNS Discovery (EIP-1459, Peer Exchange, Local Peer Cache Discovery.

Simple event bus

A unified SDK for easy creation and management of js-waku nodes.

Use web Workers and other Windows through a simple Promise API

Manage Node resources from PHP

TypeScript implementation of the Deterministic Message Hashing as specified in 14/WAKU2-MESSAGE

Azure client library for Azure Communication Rooms services

Emitter-like component to create safe cross origin communication

Official JavaScript SDK for the Unbound API - A comprehensive toolkit for integrating with Unbound's communication, AI, and data management services

Integrate Real Time Audio and Video conferencing, Interactive Live Streaming, and Chat in your apps with 100ms React Native SDK. With support for HLS and RTMP Live Streaming and Recording, Picture-in-Picture (PiP), one-to-one Video Call Modes, Audio Rooms

Send SMS messages via alive5

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Universal VDA 5050 library for Node.js and browsers

QuickBlox JavaScript SDK

n8n community node for 3CX telephony system integration with comprehensive call management, extensions, conferences, and CRM features

Zustand adapter to share state between pages and background in web extensions.

Turns surface specific browser APIs into unified transport layer

A set of utilities for building Redux/Zustand/Mobx/etc applications in Web Extensions.

A simple node interface for Ethernet/IP.

Opentok Accelerator Core

RPC Messaging in Web Extensions made easy and type safe. Out of the box.

A simple node interface for Ethernet/IP.

Typed RPC interface on top of an arbitrary communication channel

Relay Protocol for Waku

A simple and responsive transport

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

Nimba SMS node for n8n - Send SMS, manage contacts, campaigns and more

Waku Message Payload Encryption

Bidirectional Channel for JavaScript

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

SDK for Azure Communication service which facilitates phone number management.

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

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

Netgsm API Client for SMS sending and reporting

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

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.

Official TalkLynk SDK for video calling and chat integration

QuickBlox SDK for React Native

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

Type-safe API surfaces that work across process boundaries

TypeScript SDK for integrating with the Towncryer API

End-to-end encrypted messaging plugin for Shogun SDK

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

An event emitter for same-origin tab communication

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.

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

React use hook for global event dispatch and listening

Node.js interprocess communication with JSON

SDK for Azure Communication Services which facilitates short code management.

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

Remote procedure calls for Pip.Services in Node.js

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

a node.js API using Slack their RTM API

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

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

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

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.

SDK for Azure Communication Services which facilitates Alpha IDs administration.

A port of ZeroRPC to node.js

Publisher subscriber library for communication in JS across components

HumanLayer, but on your command-line.

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

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

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

SDK for Azure Communication Services which facilitates Toll Free Verification.

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.

WebExtension module: Simple message handler

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

Test

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

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

SDK for communication between a parent website (e.g. HIVEportal) and embedded apps via postMessage.

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

Test

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

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

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

Process hierarchies & operators for cooperative multitasking

A lightweight package for triggering callbacks to registered callbacks

Simple way to communicate with SEFAZ SOAP web services

Reusable communication module for internal HTTP requests and templating.

ioBroker knx Adapter

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

Helper package to bootstrap Waku app

Variadic Remote Procedure Calls

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

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

baileys whatsapp-api

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

n8n custom node for zalo bot

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

postMessage made simple & safe

Line n8n webhook & messaging nodes

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

An event-driven IPC implementation using unix file sockets.

Edvak Nexmo Client SDK for JavaScript

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

🚅 Shotx - Powerful real-time communication library.

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

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

Install the dependencies:

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

hprose for node.js

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.

Library for managing inter-tab communication

Two way communication between react components through iframes

Singleton event emitter for inter-application communication.

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

A powerful iframe communication bridge for micro-frontend applications

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

DNS Peer Discovery (EIP-1459)

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

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

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

API for interacting with Agent

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

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

Messaging Helper for Event Driven Systems

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.

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

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

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

postMessage web api based lightweight interframe communication layer

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

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

Ylide Protocol SDK for cross-chain communication and messaging

AiDistrict agents discovery and communication

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

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

JavaScript API library for the ADAMANT Blockchain

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

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

Kovaad's React component library for creating chat interfaces

SCSS themes for kovaad-chat-ui-kit library

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

Send push notifications to gotify

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

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

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

Live video component for Roberts Communication Networks LLC customers

Customizable React chat component for workplace communication

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

React wrapper around the vrpc library

HttpRelay JavaScript and TypeScript library

Easy-to-use messaging between iframes and their parent

Make communication actions and reducers for redux

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

GraphQL Network Communication Framework (Server)

a React Component or Hook which allow multiple websocket connections

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

A community n8n node for ntfy.sh

Response-request abstraction on top of Electron IPC system.

Manage Node resources from PHP

Qamon Protocol SDK for messaging

Two way communication between react components through iframes

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

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

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

SCSS dark mode themes

FutoIn Service base with strict API definition for Node and Browser

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

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

Ylide Protocol SDK implementation for EverScale blockchain

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

TypeScript types and React Native implementation for WebView bridge communication

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

一个通用的通信桥接器，用于 H5 前端和 Python 后端之间的通信

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

An API to communicate with an R11 server

CODAI WebSocket real-time communication service

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

This module facilitates event based communication between parent and child process

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

React component library for creating chat interfaces

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

Azure client library for Azure Communication Call Automation services

Package provide communication layer to ProconTel web infrastructure

Customizable React chat component for workplace communication

OscSocket for node.js

MCP server enabling room-based messaging between multiple agents

Ylide Protocol SDK implementation for EVM-based blockchains

TypeScript implementation of the Waku v2 protocol

Enhanced WebSocket nodes for n8n with bidirectional communication support

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

Cross-micro communication for Orchard9 platform

CLI to upload emojis to Slack

Hprose is a High Performance Remote Object Service Engine.

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

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

Facilitate communication with nyvalis core

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

RPC event based router for JavaScript bi-directional messaging

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

Communication library for lazy enthusiasts

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

HttpRelay JavaScript and TypeScript library

Using the local storage as a communication channel

Set of polyfills for Waku for React Native environment

Use stdio to make a hidden ipc channel.

iframe message

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).

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

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

React hooks and components to use js-waku

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

Common code for Coect projects.

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

A messaging bridge for React-App and React-Native-WebView.

baileys whatsapp-api

A simple node interface for Ethernet/IP.

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

Rest api for communication with WhatsApp

Half-duplex serial port for communication with serial devices

React Native SDK for Chative

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

Manage Node resources from PHP

Runnel is a type safe event bus for microfrontends.

A default validator for Runnel

Adashta client javascript library

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

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

Event Driven Communications Event Objects and Validation

MCP server for communicating with users through Telegram bots