7 Useful JavaScript Libraries To Build a Real-Time Web App

• ws

  31 21,818 7.2 JavaScript

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

  

  With over 19k stars on GitHub and about 60 million weekly downloads on npm, ws is one of the most popular open-source libraries for real-time web application development

• CodeRabbit

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• Socket.io

  846 61,328 9.3 TypeScript

  Realtime application framework (Node.JS server)

  

  Socket.io is one of the best cross-browser JavaScript library that provides event-driven communication capabilities for use in real-time applications. It allows bi-directional communication between client and server. Bi-directional communications are enabled when a client has Socket.IO in the browser, and a server has also integrated the Socket.IO package.

• Pusher

  13 664 0.0 Ruby

  Ruby library for Pusher Channels HTTP API

  

  Pusher is a hosted service that makes it super-easy to add real-time data and functionality to web and mobile applications. It sits as a real-time layer between your servers and your clients. Pusher maintains persistent connections to the clients — over WebSocket if possible and falling back to HTTP-based connectivity — so that as soon as your servers have new data that they want to push to the clients they can do, instantly via Pusher.

• deepstream.io

  7 7,143 5.6 TypeScript

  deepstream.io server

  

  Deepstream is an open-source library for real-time web application development. The library, which is built with Node.js and Engine.io, helps developers build frontend web applications that perform real-time updates while requiring minimal backend code.

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