Hocuspocus 4 – self-hosted Yjs collaboration backend
Hi HN! I'm Philip, one of the founders of Tiptap. Next to our open-source rich text editor framework, we started developing Hocuspocus about five years ago and open-sourced it too, to solve one of our biggest challenges back then: real-time collaboration in web editors. We found Yjs by Kevin Jahns, a CRDT library that handles concurrent edits without conflicts. Basically, Yjs merges changes from users without conflicts and in real-time. Hocuspocus is the WebSocket server built on top of Yjs. It handles real-time sync, presence/awareness, persistence, and Redis-based scaling. While we…
Hocuspocus 4 – self-hosted Yjs collaboration backend launched on May 20, 2026 with 38 votes, #795 of 20,538 launches that month and more than 95% of that year's launches.
In plain words
Hocuspocus 4 is a self-hosted WebSocket server that enables real-time collaboration in web applications using Yjs, a CRDT library. It handles concurrent editing without conflicts, user presence tracking, data persistence, and scaling via Redis. The tool works with any Yjs-compatible client including rich text editors like Tiptap, Slate, and Quill, and can sync any structured data beyond text. Developers can deploy it independently or integrate it with existing editing frameworks.
written from the facts on this page · September 2026
From the sources
The Yjs CRDT WebSocket backend for conflict-free real-time collaboration in your app. - ueberdosis/hocuspocus
Help us chart the future of Hocuspocus by telling us about your needs in a short survey. Plus, you’ll get a chance to earn a $50 gift card. Take the survey → The full documentation is a available on hocuspocus.dev/introduction . You want to use Hocuspocus, but don't want to care about hosting? Check our Cloud Offering: Tiptap Collab Send all your questions, feedback and bug reports to [email protected] or create an issuefrom github.com
In the maker’s words, at launch
Hi HN! I'm Philip, one of the founders of Tiptap. Next to our open-source rich text editor framework, we started developing Hocuspocus about five years ago and open-sourced it too, to solve one of our biggest challenges back then: real-time collaboration in web editors. We found Yjs by Kevin Jahns, a CRDT library…
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