WebSocket-Node review
A low-level Node.js library with client, server, routing and TLS support.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
WebSocket-Node is an open-source JavaScript library for building WebSocket clients and servers in Node.js. It suits developers who want protocol-level building blocks inside an application rather than a hosted realtime service. The project implements protocol versions 8 and 13, including RFC 6455 framing and handshake behavior, and its W3CWebSocket class provides a browser-style API usable from Node.js and browsers.
Its feature set covers several details that otherwise require separate handling: fragmented-message assembly and outgoing fragmentation, configurable frame and message limits, keep-alive pings, cookie parsing and setting, and a router that mounts applications by path and protocol. TLS is supported for outbound clients and for servers backed by HTTPS. Distribution is through the npm package named “websocket,” and the project is licensed under Apache-2.0. This combination makes it a fit for teams that want control over connection behavior and are prepared to integrate and operate the library within their own applications.
WebSocket-Node is a protocol-focused library, not a higher-level realtime platform: the published feature set centers on client/server communication, routing and connection handling rather than pub/sub or presence. Its repository shows version 1.0.34, released April 14, 2021, so teams assessing maintenance expectations should review the project before adopting it. Choose it when a Node.js application needs direct WebSocket primitives and the team can own integration; look elsewhere if the requirement is managed hosting or built-in realtime abstractions.
WebSocket-Node pros and cons
- Where it wins
- Provides both WebSocket client and server implementations for Node.js
- Includes path-and-protocol routing and TLS support
- Offers fragmentation controls, message limits and keep-alive pings
- Where it doesn't
- Requires a Node.js project and self-hosted deployment
- Focuses on the WebSocket protocol rather than higher-level realtime features
- The latest repository version shown dates to April 14, 2021
WebSocket-Node fact sheet, pricing and score →
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