A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically.

Build p2p collaborative applications without any server infrastructure in Node.js

Shared data types for building collaborative software

A collection of demos for Yjs

A realtime CRDT-based document store, backed by S3.

A schema-based binary format for efficiently encoding trees of data

Fractional Indexing in JavaScript

Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Yjs encoding protocols

Realtime database backend based on Operational Transformation (OT)

String-wise sequence CRDT powering peer-to-peer collaborative editing in Teletype for Atom.

🧩 Content editing tech stack for the web - BlockSuite is a toolkit for building editors and collaborative applications.

Collaborative editing in any app

The world's fastest CRDT. WIP.