Show HN: Hocuspocus 4 – Yjs collab server

Category: infrastructure

Tags: real-time-collaboration, crdt, websocket-server

Score: 7.3/10 (Innovation: 6, Technical: 8, Documentation: 7, Utility: 8)

Hocuspocus is a plug-and-play WebSocket collaboration backend built on Yjs, providing real-time sync, awareness, persistence, and scaling for any CRDT-based client. Its v4 release decouples from Node.js to support Bun, Deno, and Cloudflare Workers, enabling edge deployment and broader use cases.

Target audience: backend devs, full-stack devs

Repository: https://github.com/ueberdosis/hocuspocus · TypeScript · MIT · 2271 stars

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