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

This page summarizes the projects mentioned and recommended in the original post on dev.to

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  • ws

    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

  • Socket.io

    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.

  • SurveyJS

    Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

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  • Pusher

    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

    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.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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