Top WebSocket libraries for Node.js in 2022

• Socket.io

  825 60,129 7.8 TypeScript

  Realtime application framework (Node.JS server)

  

With nearly 55k stars on GitHub and about 3 million downloads on npm weekly, Socket.IO is a great library to keep an eye on in 2022. The documentation is very straightforward, meaning even an inexperienced developer should be able to get started in little to no time.

• SocketCluster

  8 6,112 6.8 JavaScript

  Highly scalable realtime pub/sub and RPC framework

  

SocketCluster is a highly scalable framework and a real-time HTTP server engine that enables you to build multi-process, real-time servers using all of the available CPU cores at once. With SocketCluster, the backend avoids running the Node.js server as a single thread, working more efficiently and remaining resilient.

• SurveyJS

  surveyjs.io sponsored

  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.

  

• feathers

  61 14,921 8.9 TypeScript

  The API and real-time application framework

  

At the time of writing, the project has almost 14k stars on GitHub and 26k weekly downloads on npm. Feathers also includes an excellent documentation and is well known for being lightweight and easy to integrate with different databases.

• SockJS

  2 2,087 3.9 JavaScript

  WebSocket emulation - Node.js server

  

SockJS is a JavaScript library that provides communication between the client and the server in a way similar to the native WebSockets API. SockJS functions with a server counterpart in the form of sockjs-node and SockJS-client, a JavaScript client library.

• sockjs-client

  3 8,357 3.9 JavaScript

  WebSocket emulation - Javascript client

  

SockJS is a JavaScript library that provides communication between the client and the server in a way similar to the native WebSockets API. SockJS functions with a server counterpart in the form of sockjs-node and SockJS-client, a JavaScript client library.

• ws

  27 21,036 7.7 JavaScript

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

  

With over 17.5k stars on GitHub and about 35 million weekly downloads on npm, ws is one of the most popular Node.js WebSocket libraries available.

• socket.io-client

  4 10,536 6.5 TypeScript

  Realtime application framework (client)

  

Socket.IO’s primary use, however, is for facilitating real-time, bidirectional, and event-based communication between the browser and the server. Like ws, Socket.IO has a Node.js server and a JavaScript client library.

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• faye-websocket-node

  1 604 4.4 JavaScript

  Standards-compliant WebSocket client and server

  

Extracted from the Faye project, Faye WebSocket is a multi-purpose WebSocket that makes it easy to command the pre-existing WebSocket connections in a Node.js app.

• sockette

  1 2,421 4.2 JavaScript

  The cutest little WebSocket wrapper! 🧦

Sockette is a WebSocket wrapper that allows you to reuse instances without having to declare all event listeners multiple times. Sockette is a very lightweight library, just about 367 bytes according to the GitHub page. If a connection is lost, Sockette automatically reconnects.

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