pubkey/rxdb

Health v2 · maintenance only

Adoption not part of the score

23368 stars · 1175 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

RxDB is a local-first, reactive NoSQL database for JavaScript applications that runs in browsers, mobile apps, desktop apps, and servers. It supports observable realtime queries and replication with many backends such as CouchDB, GraphQL, Firebase, Supabase, MongoDB, and cloud storage services.

Use cases

• build offline-first apps that sync when back online
• store and query data locally in the browser with zero latency
• add realtime reactive queries to a UI framework like React or Angular
• sync client data with an existing backend like CouchDB, Supabase, or MongoDB
• build cross-device apps without hosting a backend using Google Drive or OneDrive sync
• run a persistent local database in React Native, Electron, or Capacitor apps

When to choose

• you need a local-first or offline-capable JavaScript app with realtime UI updates
• you want client-side data storage that replicates with your existing backend without vendor lock-in
• you need one database that works across browser, mobile, desktop, and Node.js runtimes

When to avoid

• you need a server-side relational database with complex SQL joins as the primary store
• your project requires only the free open-source plugins but needs premium storages like SQLite or OPFS
• you are not working in a JavaScript runtime

Facets

library · maturity active

database orm caching websocket graphql state-management plugin-system search-engine vector-database databases web-development frontend mobile-development cross-platform developer-tools browser cross-platform wasm bun local-first nosql reactive-database offline-first realtime-sync crdt indexeddb sqlite replication typescript real-time nodejs electron mobile desktop web-server deno

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