powersync-ja/powersync-js

CRDT-based offline-first sync for SQLite. Syncs automatically with SQLite Cloud, PostgreSQL, and Supabase. No conflicts, no data loss, no backend to build. For offline-first apps and AI agents.

SQLSync is a collaborative offline-first wrapper around SQLite. It is designed to synchronize web application state between users, devices, and the edge.

A full-stack, syncing database that runs on both server and client. Pluggable storage (indexeddb, sqlite, durable objects), syncs over websockets, and works with your favorite framework (React, Solid, Vue, Svelte).

SignalDB is a reactive, local-first JavaScript database designed for modern web applications. It combines signal-based reactivity with powerful local data management and real-time synchronization capabilities.

Convergent, Replicated SQLite. Multi-writer and CRDT support for SQLite

The local-first database that runs on every JS runtime and replicates with your existing backend - no vendor, no lock-in - https://rxdb.info/

🍉 Reactive & asynchronous database for powerful React and React Native apps ⚡️

A reactive data store & sync engine.

TypeScript/JavaScript client API for libSQL