Socket.io VS SockJS

Compare Socket.io vs SockJS and see what are their differences.

Socket.io

Realtime application framework (Node.JS server) (by socketio)

SockJS

WebSocket emulation - Node.js server (by sockjs)
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Socket.io SockJS
468 1
55,738 2,024
0.5% 0.4%
8.0 0.8
12 days ago about 1 month ago
TypeScript JavaScript
MIT License MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

Socket.io

Posts with mentions or reviews of Socket.io. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-05-19.

SockJS

Posts with mentions or reviews of SockJS. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-01-07.
  • Top WebSocket libraries for Node.js in 2022
    12 projects | dev.to | 7 Jan 2022
    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.

What are some alternatives?

When comparing Socket.io and SockJS you can also consider the following projects:

Primus - :zap: Primus, the creator god of the transformers & an abstraction layer for real-time to prevent module lock-in.

SocketCluster - Highly scalable realtime framework

deepstream.io - deepstream.io server

Pusher - Ruby library for Pusher Channels HTTP API

Centrifugo - Scalable real-time messaging server in a language-agnostic way. Set up once and forever.

Faye - Simple pub/sub messaging for the web

Mercure - Server-sent live updates: protocol and reference implementation

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

Introducing .NET Multi-platform App UI (MAUI) - .NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.

Phaser - Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.

vba-websocket - VBA Websocket Sample (Echo Server Client)

quic-go - A QUIC implementation in pure go