Libraries & frameworks
yjs
yjs/yjs
A CRDT framework exposing shared Map, Array, and Text types so concurrent edits merge automatically. It underpins many real-time collaborative and offline-first applications.
Topics
Related projects
loro6.3kLoro is a CRDT library for building local-first, collaborative applications, with support for text, rich text, movable trees and lists, version control, and peer-to-peer sync across Rust, JavaScript, and Swift.
teamtype2kA peer-to-peer collaboration tool that lets people edit local files together in real time from Neovim, VS Code and other editors, with encrypted connections and no server required.
blocksuite6.1kBlockSuite is a web content-editing toolkit and component library for building block-based editors and collaborative applications, offering document and canvas editors plus CRDT-backed real-time collaboration infrastructure.
synckit670SyncKit is a local-first collaboration SDK for React, Vue and Svelte with CRDT rich text, undo/redo, live cursors and presence, working offline and self-hostable.
p2panda588p2panda is a modular Rust toolkit for building local-first, offline-capable peer-to-peer applications, with crates for networking, sync, encryption, access control and data storage.
orbitdb8.8kOrbitDB is a serverless peer-to-peer database built on IPFS and libp2p, using Merkle-CRDTs for eventually consistent multi-peer data sync.