CrossWS
runtime agnostic WebSockets

Unified WebSocket API for Node.js, Deno, Bun and Cloudflare Workers.

Runtime Agnostic

Seamlessly integrates with Bun, Deno, Cloudflare Workers and Node.js (ws or uWebSockets.js)

Made for Performance

High-performance server hooks API designed to avoid creating callbacks per client but once.

Lightweight

Zero Dependency with bundled ws for Node.js support. Extremely lightweight and tree-shakable packaging with ESM and CJS support.

Developer Friendly

Typed Hooks API and human friendly logging support.