JSPM

Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js

The editing engine of CKEditor 5 – the best browser-based rich text editor.

The core architecture of CKEditor 5 – the best browser-based rich text editor.

A set of ready-to-use rich text editors created with a powerful framework. Made with real-time collaborative editing in mind.

3-dimensional physics engine in Rust - official JS bindings. Compatibility package with inlined webassembly as base64.

Publish & Subscribe Real-time Messaging with PubNub

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

[](https://www.npmjs.com/package/@n1ru4l/graphql-live-query) [](https://www.npmjs.com/package/@n1ru4l/

Build real-time applications powered by [Durable Objects](https://developers.cloudflare.com/durable-objects/), inspired by [PartyKit](https://www.partykit.io/).

A set of React hooks and providers to use Liveblocks declaratively. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.

A client that lets you interact with Liveblocks servers. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.

Base utilities used by CKEditor 5 collaboration features to support multiple users working together in a rich text editor.

Collaborative comments feature for CKEditor 5.

Base utilities used by CKEditor 5 collaboration features to support multiple users working together in a rich text editor.

A set of CKEditor 5 features enabling real-time collaboration within the editor using CKEditor Cloud Services.

CKEditor 5 track changes plugin.

CKEditor Cloud Services Collaboration low-level API is required by CKEditor 5 Collaboration features to enable real-time collaborative editing in CKEditor 5.

A server-side utility that lets you set up a Liveblocks authentication endpoint. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.

CKEditor 5 operations compressor for real-time collaboration.

Sendbird UIKit for React: A feature-rich and customizable chat UI kit with messaging, channel management, and user authentication.

A cryptocurrency trading API with more than 100 exchanges in JavaScript / TypeScript / Python / C# / PHP / Go

A set of React pre-built components for the Liveblocks products. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.

The HTML5 Server-Sent events specification is introduced "to enable servers to push data to Web pages over HTTP or using dedicated server-push protocols".

Streams.

Dead simple, dependency-less, spec-compliant server-sent events implementation written in TypeScript.

Publish & Subscribe Real-time Messaging with PubNub

Integrate your existing or new Yjs documents with Liveblocks.

PartyKit simplifies developing multiplayer applications. Everything's better with friends.

Add real-time speech to text functionality into your website with no effort

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

A Vue plugin that makes integrating ActionCable easy.

Shared logic for building live query patch implementations.

[](https://www.npmjs.com/package/@n1ru4l/in-memory-live-query-store) [](https://www.np

Sendbird UIKit for React Native: A feature-rich and customizable chat UI kit with messaging, channel management, and user authentication.

A middleware for Zustand to automatically synchronize your stores with Liveblocks. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.

Backendless RT Client for connect to Backendless RT Server

A Storybook add-on for live editing stories. Supports React and TypeScript.

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

Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js

A set of functions and utilities to make sending emails based on Liveblocks notification events easy. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.

Client for the Speechmatics real-time API

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-im

Velt is an SDK to add collaborative features to your product within minutes. Example: Comments like Figma, Frame.io, Google docs or sheets, Recording like Loom, Huddles like Slack and much more.

Hazelcast - a real-time stream processing platform - Node.js Client

A set of React hooks for integrating Sendbird chat functionality into your React app.

Velt is an SDK to add collaborative features to your product within minutes. Example: Comments like Figma, Frame.io, Google docs or sheets, Recording like Loom, Huddles like Slack and much more.

A Server-Sent-Event module bringing real-time capabilities to AdonisJS.

Server-Sent Events "channel" where all messages are broadcasted to all connected clients, history is maintained automatically and server attempts to keep clients alive by sending "keep-alive" packets automatically.

An integration of TipTap + React to enable collaboration, comments, live cursors, and more with Liveblocks.

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

Library for fetching temporary keys for Speechmatics APIs

A framework agnostic Server-Sent-Event library

To install dependencies:

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-im

React components for [Stripe.js and Elements](https://stripe.com/docs/stripe-js).

JSON-RPC 2.0 client/server/peer for any reliable transport. Inter-process communication. REST. WebSocket. WebWorker. Out of order messaging or in-order byte streams

Real-time audio processing for voice, in web browsers

Server-Sent Events (SSE) support for Fetcher HTTP client with native LLM streaming API support. Enables real-time data streaming and token-by-token LLM response handling.

Drop-in replacement for Dolby/Voxeet SDK using Odyssey Spatial Audio Service

An integration of Lexical + React to enable collaboration, comments, live cursors, and more with Liveblocks.

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

3-dimensional physics engine in Rust - official JS bindings.

An integration of BlockNote + React to enable collaboration, comments, live cursors, and more with Liveblocks.

Velt is an SDK to add collaborative features to your product within minutes. Example: Comments like Figma, Frame.io, Google docs or sheets, Recording like Loom, Huddles like Slack and much more.

React hooks for interacting with the Speechmatics Real-Time API

2-dimensional physics engine in Rust - official JS bindings. Compatibility package with inlined webassembly as base64.

A server-side utility that lets you modify prosemirror and tiptap documents hosted in Liveblocks.

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

Enterprise RAG module with chat context storage, vector search, and session management. Complete chat history retrieval and streaming content extraction for Electron apps.

<h3 align="center"> @merger203/expert-invention </h3>

Virtual Chat SDK - Floating chat widget with 20+ languages support for seamless website integration

[](https://www.npmjs.com/package/@n1ru4l/graphql-live-query-patch-jsondiffpatch) [![npm downloads](https://img.shields.io/npm/dm/@n1ru4l/graphql-live-query-patc

Supersonic reverse matching engine

HarperDB is a distributed database, caching service, streaming broker, and application development platform focused on performance and ease of use.

A store enhancer to integrate Liveblocks into Redux stores. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.

🚀 Modern HTTP client with fetch-first design, plugin architecture, and security features. Works across all platforms with automatic cookie management and SSRF protection.

SDK for API integration

2-dimensional physics engine in Rust - official JS bindings. Compatibility package with inlined webassembly as base64.

Client for the coinbase-pro API

A node library to control your sonos devices, written in typescript

2-dimensional physics engine in Rust - official JS bindings.

Complete SDK pack for MSI React Native (Map Service Interface) and DClient services

Sendbird UIKit for React Native: A feature-rich and customizable chat UI kit with messaging, channel management, and user authentication.

High-quality audio recording Capacitor plugin with native iOS & Android support. Features pause/resume, microphone management, real-time monitoring, audio trimming, and comprehensive mobile audio recording capabilities.

Tiptap Extension to add Google Docs-style overlay comments to your Tiptap editor. Works with the Velt Collaboration SDK.

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

A lightweight Node.js package to get real-time currency exchange rates for any base currency using a pivot currency, fetched directly from a CDN for fast and reliable access.

Replace Strapi default WYSIWYG editor with enhanced build of CKEditor 5

Temasys Web SDK is an open-source client-side library for your web-browser that enables any website to easily leverage the capabilities of WebRTC and its direct data streaming powers between peers for audio/video conferencing or file transfer.

A Vue library for integrating Monaco Editor with Shiki syntax highlighting, supporting real-time updates.

Velt is an SDK to add collaborative features to your product within minutes. Example: Comments like Figma, Frame.io, Google docs or sheets, Recording like Loom, Huddles like Slack and much more.

Real-time web framework

A modern web-based terminal and monitoring interface for Claude Flow with real-time system monitoring and tmux integration

An installer for Liveblocks projects, including various examples and a Next.js starter kit. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.

The customize full features for classic editor build of CKEditor 5 – the best browser-based rich text editor. Thanks for CKEditor.

Emergent intelligence through temporal consciousness - thousands of nano-agents collaborating in real-time with 500K+ ops/sec

Rivulex is a high-performance messaging library leveraging Redis Streams for reliable event-driven communication within distributed systems.

CKEditor 5 build for Strapi WYSIWYG editor replacement

Slate Extension to add Google Docs-style overlay comments to your Slate editor. Works with the Velt Collaboration SDK.

Sendbird UIKit for React: A feature-rich and customizable chat UI kit with messaging, channel management, and user authentication.

A server-side utility that lets you modify lexical documents hosted in Liveblocks.

Real-time messaging framework

wrapper built upon ws module that provides standard server api only.

MigratoryData Client API for JavaScript/Node.js

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

MCP server for real-time audio transcription using OpenAI Whisper

Custom CKEditor5 component build for Wiki.js

Complete React ticket/messaging system component library with Persian authentication, custom modals, and professional UI/UX

Modern Angular chat widget with WebSocket and Demo modes. Built with Angular 17+ Standalone Components and Signals.

A Node.js package for various biosensors and associated biosignals.

A React chat widget component for customer-supplier communication

Fork of Sendbird UIKit for React to implement additional functionality for We Are Sweet projects

Server-sent event driver for Laravel Echo and broadcasting system.

The classic editor build of CKEditor 5 – the best browser-based rich text editor.

A JavaScript / TypeScript / Python / C# / PHP cryptocurrency trading library with support for 130+ exchanges

The customize full features for classic editor build of CKEditor 5 – the best browser-based rich text editor. Thanks for CKEditor.

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

Real-time metric graphs in the terminal

A set of React hooks for integrating Sendbird chat functionality into your React app.

Server-Sent Events plugin for Fastify

The Universal Real Time Event Dispatcher

This is the client js sdk for cutting-edge Samvyo real-time voice/video cloud.

Unleash the future of data management with the ultimate platform for secure, scalable, and dynamic data operations. Power the next generation of applications by combining advanced encryption, revolutionary real-time querying, and seamless synchronization

A modern **React SIP.js toolkit** for building web softphones and SIP clients. Supports **audio/video calls**, **call recording**, **screen sharing**, and **device management**, all with a clean, extensible, TypeScript-first architecture.

sec.gov EDGAR API Wrapper

Real-time streaming AI consensus platform with HTTP+SSE MCP integration for Claude Code, VS Code, Cursor, and Windsurf - powered by OpenRouter's unified API

A powerful and customizable help center widget for Angular applications with real-time chat functionality, AI assistance, multi-language support, and user feedback collection.

A Vue.js voice agent plugin for real-time voice communication via WebSocket

Instant team document sharing - Drop markdown files, sync with your team in real-time

A custom CKEditor 5 build made by the CKEditor 5 online builder and adapted to be used inside Renku UI.

React hooks for building AI chat interfaces with AgentKit

The most advanced ORM for Apache Cassandra and ScyllaDB with native TypeScript support, AI/ML integration, and enterprise-grade features

The classic editor build of CKEditor 5 – the best browser-based rich text editor. This specific build includes more plugins. See the README document for more information.

Real-time file sharing for Cursor AI outputs with team collaboration

React hook for Cheetah Web SDK

2-dimensional physics engine in Rust - official JS bindings. Compatibility package with inlined webassembly as base64.

Patterns and utilities for handling registration of metadata and functionality for run-time use

AI-powered Storybook story generator with dynamic component discovery

Official TalkLynk SDK for video calling and chat integration

🎙️ A lightweight React hook for audio recording using native Web APIs (MediaRecorder, getUserMedia). Start, stop, pause, resume audio recordings with customizable callbacks. Perfect for voice notes, interviews, podcasts, and real-time audio processing in

Display dynamic real-time information about running Node.js process

LLMPerf - Real-time performance testing tool for OpenAI-compatible LLM services with beautiful web UI

AI Dev Workflow TMUX Visualization System - Real-time monitoring dashboards with vibrant cyberpunk color theme

A real-time, lightweight server designed to enable multiplayer experiences for games built with the Inglorious Engine.

3-dimensional physics engine in Rust - official JS bindings. Compatibility package with inlined webassembly as base64.

CKEditor 5 Classic Plus is a custom build built on top of CKEditor 5 Build - Classic (version: 41.3.0). It adds Simple Upload Adapter, Image Resize, Font Styling and much more to the official build.

WebSocket streaming SDK for real-time WioEX market data

Multiuser for Static Web Apps by Running Server Code in Synced Client VMs

Modern universal validation library with Vue 3, JavaScript support, and upcoming React & Angular integrations

The classic editor build of CKEditor 5 – the best browser-based rich text editor.

This Node package for Azure Relay Hybrid Connections is built on and extends the ['ws'](https://www.npmjs.com/package/ws) NPM package. This package re-exports all exports of that base package and adds new exports that enable integration with the Azu

Makes your code coverage a real time live source

Ceeblue WebRTC Client

GenosDB (GDB): distributed graph database in real-time, peer-to-peer, scalable storage - efficient querying of complex relationships.

Javascript SDK for integrating with Flamelink CMS

The classic editor build of CKEditor 5 – the best browser-based rich text editor.

Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js

Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js

YJS network provider for ElectricSQL

Framework-agnostic Tensorchat.io streaming client for concurrent LLM prompting

React hooks for building AI chat interfaces with AgentKit

The Goldsky CLI to deploy subgraphs, index & transform blockchain data, configure webhooks, and access your data in real-time.

Custom (Add extra plugins). The classic editor build of CKEditor 5 – the best browser-based rich text editor.

CLI tool for the Crablr platform that enables real-time payment monitoring and webhook forwarding for merchants and developers.

A JavaScript / TypeScript / Python / C# / PHP cryptocurrency trading library with support for 130+ exchanges

Real-time client/server communication over UDP using WebRTC and Node.js

React component for communicating with the rtcmesh-server

Real-time noise suppression for audio using Dual-Signal Transformation LSTM Network (DTLN)

🚀 The ultimate CLI coding assistant powered by AI - Generate code, analyze projects, and build applications with natural language commands

High-performance Node.js NAPI bindings for OpenCV 4.12.0 - Complete Computer Vision Library

A utility for reading and parsing JSON streams in real-time

Real-time client/server communication over UDP using WebRTC and Node.js

Real-time WebSocket transport for event sourcing with Effect - Stream events to browsers and clients with type-safe, resilient real-time communication

Advanced performance monitoring with browser extension capabilities - Premium tier of KanmiPerf

Dependency registration/management and injection support.

Batteries-included WebSocket event sourcing package - Complete WebSocket transport with default protocol for rapid event sourcing development

Extended verison of the classic editor build of CKEditor 5

The classic editor build of CKEditor 5 – the best browser-based rich text editor.

Metroplex is capable of transforming into a battle station, giant robot or a distributed connect client directory for Primus.

A modern, configurable Apollo Link for handling GraphQL subscriptions via Pusher. Built with TypeScript and designed for Laravel Lighthouse.

Open Source Unified REST API of 100+ Crypto Exchange Sites

React hook for Azure/fetch-event-source. For making Event Source requests, with all the features of fetch()

A virtualized chat component for React applications.

A JavaScript / Python / PHP cryptocurrency trading library with support for 130+ exchanges

Publish & Subscribe Real-time Messaging with PubNub

This is a set of fully customizable Angular components for visualizing data.

The lightweight classic editor build of CKEditor 5 with Base64 image upload adapter.

Create a stream of Sequelize create, update, and destroy events.

Enterprise-grade React hooks for Next.js + Odoo development - Complete with React Query-level features, real-time capabilities, and developer tools

Customer support chat widget for Ticketping - Intercom-like experience with real-time messaging

The classic editor build of CKEditor 5 + Mathtype – the best browser-based rich text editor.

TypeScript client SDK for TTC Speech Service - Real-time Speech-to-Text and Text-to-Speech with WebSocket streaming

Client SDK for EnSync Engine - gRPC and WebSocket support

WebSocket transport implementation for event sourcing - Protocol-agnostic message transport over WebSocket connections

The classic editor build of CKEditor 5 – the best browser-based rich text editor.

Elasticsearch backing for the travetto model module, with real-time modeling support for Elasticsearch mappings.

Tajriba client

A lightweight Server-Sent Events (SSE) library for Next.js, enabling real-time, unidirectional data streaming from server to client

The inline editor build of CKEditor 5 – the best browser-based rich text editor.

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

BunPulse is a lightweight, high-performance WebSocket server built on Bun, fully compatible with the Pusher protocol. Easily implement real-time communication for your applications with minimal setup.

Unified streaming client for WebSocket, SSE, HTTP streaming, long-polling, HLS, and WebRTC.

Minimalist WebSocket client and server for real-time applications with RPC, PubSub, Rooms and Game state synchronization.

2-dimensional physics engine in Rust - official JS bindings.

SQL backing for the travetto model module, with real-time modeling support for SQL schemas.

The document editor build of CKEditor 5 – the best browser-based rich text editor.

Live real-time avatar

A comprehensive Angular comment library with real-time features, voting, replies, and event emitters

FORKED: PartyKit simplifies developing multiplayer applications. Everything's better with friends.

Create interactive, collaborative html elements with a single attribute

Comprehensive audio library with progressive streaming, recording capabilities, real-time processing, and intelligent caching for web applications

The zkteco library allows Node.js developers to easily interface with ZK BioMetric Fingerprint Attendance Devices, extract and manage data, and integrate biometric features into attendance systems efficiently.

A modernized RabbitMQ library for React Native, updated for compatibility with the latest React Native versions.

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

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

The classic editor build of CKEditor 5 – the best browser-based rich text editor.

<!-- [](https://github.com/vaultrice/react-components/actions?query=workflow%3Anode) --> [![npm version](https://img.shields.io/npm/v/@vaultrice/react-components.svg?style=fla

Official JavaScript/TypeScript SDK for Variably feature flags, experimentation, and real-time dynamic configurations

SignalR client library built on top of @microsoft/signalr. This gives you more features and easier to use.

Yantra.gg Serverless Physics SDK for Real-time Multiplayer Game Development

Minimal eye tracking core library for WebSocket-based hardware eye trackers

Webcom library

Empirica Core

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

WebSocket-based multiplayer game framework for real-time, event-driven gameplay

A TypeScript/JavaScript SDK for Vaultrice - persistent, encrypted, real-time key-value storage

The document editor build of CKEditor 5 – the best browser-based rich text editor.

React native chat easy to use and integrate

🚀 A powerful state management library with collaborative inspector, real-time debugging, store snapshots, and IDE integration. Features include share snapshots, locate stores in code, and team collaboration tools.

A library to seamlessly add real-time multi-user interaction to your React app!

Fork of CCXT with custom bundle for TraderDash

Open-source creative coding framework for distributed applications based on Web technologies

SDK for fetching and streaming real-time and historical crypto prices using Bitquery's Trading API. Provides easy-to-use functions for token prices, OHLC candles, market data, and WebSocket streams.

Variables that support multi-user collaboration and persistence, making collaboration and variable operations as simple as possible, with strict and well-defined type hints.

Multi Exchange Crypto Currency Trading bot, Data Analysis Library and Strategy Back testing Engine

A Node.js client library for the Aristech Speech-to-Text API

A node.js framework for real-time applications over UDP and TCP protocols with extendable modules for quick and clean evelopment.

Realtime apps with a high level API based on engine.io

🚀 High-performance real-time collaborative form web component with WebSocket support. Perfect for multi-user forms, live editing, and instant synchronization.

The flagship entity framework for building scalable, reusable, and visually stunning entities.

Plug-and-play Polymarket WebSocket price alerts

Gets UTC real time from http://worldtimeapi.org/api/timezone/Etc/UTC.

[](https://nodei.co/npm/@xdanangelxoqenpm/nobis-laborum-dolorum/)

NOWPayments API client for Node.js with WebSocket support

A JavaScript cryptocurrency trading library with support for fairdesk.com

The classic editor build of CKEditor 5 – the best browser-based rich text editor.

Prebuilt client library for Primus - a simple abstraction around real-time frameworks

<!-- [](https://github.com/vaultrice/react/actions?query=workflow%3Anode) --> [](https://www.npmjs.com/

MySQL backing for the travetto model module, with real-time modeling support for SQL schemas.

Terminal-based stock market viewer with real-time data streaming