Real-time

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

Save data, subscribe on it's updating and then update it.

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

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

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

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

Gain real-time traffic insights with Vercel Web Analytics

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

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

Publish & Subscribe Real-time Messaging with PubNub

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

Stub TypeScript definitions entry for @ckeditor/ckeditor5-real-time-collaboration, which provides its own types definitions

A JavaScript library for real-time terrain mesh generation

Sanity is a real-time content infrastructure with a scalable, hosted backend featuring a Graph Oriented Query Language (GROQ), asset pipelines and fast edge caches

The **[Perplexity provider](https://ai-sdk.dev/providers/ai-sdk-providers/perplexity)** for the [AI SDK](https://ai-sdk.dev/docs) contains language model support for Perplexity's Sonar API - a powerful answer engine with real-time web search capabilities.

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.

A framework for real-time applications and REST API with JavaScript and TypeScript

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

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.

Client for the Speechmatics real-time API

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

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.

The AssemblyAI JavaScript SDK provides an easy-to-use interface for interacting with the AssemblyAI API, which supports async and real-time transcription, as well as the latest LeMUR models.

CKEditor 5 track changes plugin.

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.

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

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

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

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

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

The balloon editor build of CKEditor 5 with a block toolbar – the best browser-based rich text editor.

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 OpenTok.js library lets you use OpenTok-powered video sessions on the web

Add real-time AI video effects: virtual backgrounds, blur, touch-up, auto-framing, color correction, lower-thirds, and more. Works on all browsers for conferencing, streaming, and recording.

Tencent Cloud RTC SDK for Web

A simple API logger middleware for Node.js

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

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".

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

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

Publish & Subscribe Real-time Messaging with PubNub

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.

Streams.

The Feathers Socket.io real-time API provider

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

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

Build the perfect messaging experience in 10 minutes.