ws is a simple and efficient WebSocket implementation for Node.js. It provides a WebSocket server and client that can be used to establish real-time, bidirectional communication between a server and clients. ws supports the latest WebSocket protocol versions and provides a straightforward API for sending and receiving messages.
Compared to other WebSocket libraries, ws is known for its lightweight and high-performance nature. It has a small memory footprint and is optimized for handling a large number of concurrent connections. ws also supports various WebSocket extensions and provides advanced features like per-message compression and automatic reconnection.
ws is actively maintained and widely used in the Node.js ecosystem. It is a popular choice for building real-time applications, chat systems, multiplayer games, and other applications that require real-time communication.