Socket.IO enables real-time, bidirectional and event-based communication.
Best uWebSockets.js Alternatives ranked by AI · updated May 2025
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Highly efficient WebSocket library for Node.js.
Price: Free
Top 6 uWebSockets.js alternatives
WebSocket-Node is a WebSocket server implementation for Node.js.
SockJS is a JavaScript library that provides a WebSocket-like object. It allows real-time, bi-directional communication between web clients and servers.
Websocketd is a small command-line tool that will wrap any program of your choosing in a WebSocket server. It provides a simple...
5
Primus is a real-time framework for Node.js with a focus on speed and customizability.
Pros
- High performance
- Customizable
Cons
- Steep learning curve
- Less documentation compared to Socket.IO
6
Simple to use, blazing fast and thoroughly tested WebSocket client and server for Node.js.
Pros
- Lightweight
- Great performance
Cons
- Lacks some advanced features
Free
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