loro

A Sync Engine for the web: React (TanStack Router), Web Workers, Effect, Loro ⚡️

DocNode y DocSync Monorepo. Type-safe documents with conflict resolution. Faster than any CRDT.

Swift bindings of Loro CRDTs

codemirror binding for loro

Python bindings for Loro CRDTs

A native MoonBit port of the Loro CRDT engine

✍️ 🦜Collaborative Plugin for Lexical Rich Editor with Loro CRDT.

FFI binding for loro

Fully automated version control. You write code. Versioning, sharing, visibility and reconciliation happen underneath you. There are no commits to compose, no branches to manage, no merges to resolve, and nothing to memorise.

Pure-Go implementation of the Loro CRDT: read, edit, write and sync Loro documents, byte-compatible with loro-crdt. No cgo.

Keep any state manager in sync with any CRDT

ICE - infinite canvas engine · Figma-grade infinite-canvas UX as a framework: defineWidget turns React/R3F components into canvas citizens — selectable, movable, wired into node graphs, CRDT-synced, undoable per gesture.

Open-source, local-first design tool where every layer is real HTML/CSS. Live multiplayer (Loro CRDT), self-hosted sync, comments and version history, and a built-in MCP server so AI agents like Claude Code, Cursor and Codex can design with you.

A local-first collaborative canvas for connected thinking: cards, boards and rich text in one CRDT document you own, working offline and syncing when you choose.

A local-first outliner - Logseq, rebuilt on Effect V4 and Loro

Reproducible, statistically reported benchmarks of JavaScript CRDT libraries (Yjs, Ywasm, Loro, Automerge, json-joy)

One mobile app for the Suite: a hub and quick surface that hosts the full applications behind a narrow module contract. Local-first, no telemetry.

Fractos is a powerfull task mannager, based on loro-crdt.

The Suite sync protocol and user-run collaboration server: CRDT rooms over WebSocket, a signed membership log, and snapshots on a device you control. Self-hosted.