websocket13

A pure-JavaScript WebSocket protocol 13 (RFC 6455) implementation for Node.js with no native or heavy dependencies. Current stable version is 4.1.0, released with moderate cadence. It supports both client and server modes, requires Node.js >=12.22.0. Key differentiator: zero native dependencies, lightweight, and compatible with the standard WebSocket API subset. Not suitable for browsers (Node-only).