# crossws
[](https://npmjs.com/package/crossws)
[](https://npmjs.com/package/crossws)
Elegant, typed, and simple toolkit to implement cross-platform WebSocket servers.
👉 [📖 documentation](https://crossws.h3.dev)
## Features
🧩 Seamlessly integrates with [Bun](https://crossws.h3.dev/adapters/bun), [Cloudflare Workers](https://crossws.h3.dev/adapters/cloudflare), [Deno](https://crossws.h3.dev/adapters/deno) and [Node.js](https://crossws.h3.dev/adapters/node) and any compatible web framework.
✅ Prebundled with [ws](https://github.com/websockets/ws) for Node.js support with alternative/much faster [uWebSockets](https://crossws.h3.dev/adapters/node#uwebsockets) adapter.
📦 Extremely lightweight and tree-shakable conditional ESM exports.
🚀 High-performance and simple hooks API, without per-connection callback creation.
🌟 Typed hooks API and developer-friendly object inspection.
[^1]: crossws supports Node.js via [npm:ws](https://github.com/websockets/ws) (prebundled) or [uWebSockets.js](https://github.com/uNetworking/uWebSockets.js).
## Contribution
Local development
- Clone this repository
- Install the latest LTS version of [Node.js](https://nodejs.org/en/)
- Enable [Corepack](https://github.com/nodejs/corepack) using `corepack enable`
- Install dependencies using `pnpm install`
- Run examples using `pnpm play:` scripts
## License
Published under the [MIT](https://github.com/h3js/crossws/blob/main/LICENSE) license.
Made by [@pi0](https://github.com/pi0) and [community](https://github.com/h3js/crossws/graphs/contributors) 💛
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