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RxDB

Reactive NoSQL JSON-document database for JavaScript with pluggable storages and replication plugins to existing backends (HTTP, GraphQL, CouchDB, Firestore, Supabase, WebRTC P2P).

rxdb.infoActive

17.6.0 released 2026-10-05; daily commits (checked 2026-10-25)

In Local-first

Where it stands apart

What it shares with most of the community

Nearest neighbors

Every answer

QuestionAnswerSource
Is it actively maintained?active
17.6.0 released 2026-10-05; daily commits

2026-10-25
How is the main thing licensed?permissive open source (MIT/Apache/BSD)
v4: from the map's own 'license' question. Core Apache-2.0; premium plugins (IndexedDB/OPFS/SQLite storages, WebCrypto encryption) are paid
source
2026-10-25
How is it mainly sustained?company with a paid product, tier, or ads
v4: from the map's own 'business' question. Open-core: OSS core plus paid premium plugins; no hosted cloud
source
2026-10-25
Can it run entirely on your own device or infrastructure, without the maker's servers?yes
v4: from the map's own 'self_host' question. No vendor server; you bring the backend
source
2026-10-25
Do you need an account to use it?no account
Runs entirely without backend; no sign-up. Premium plugins are purchased licenses.
source
2026-10-26
Who is it for?developers
v4: from the map's own 'audience' question.
source
2026-10-25
Which shared standard or format does it mainly build on?none of these (its own format or interface)
Pluggable storage and replication; CouchDB is one plugin among many.
source
2026-10-26
Does an app built on it keep working fully offline, for both reads and writes?yes, full offline reads and writes
Offline-first local database
source
2026-10-25
What does it need to sync between devices? (first that applies)nothing extra: devices can sync peer-to-peer or over any transport
Runs fully local; usually replicates with your own backend, WebRTC P2P replication also available
source
2026-10-25
If the company behind it disappeared, would apps keep working?yes
Core is OSS; premium plugins are annually licensed
source
2026-10-25
Is end-to-end encryption built in?stands apart optional
Encryption plugin (WebCrypto one is premium); encrypts fields at rest, not a sync-level E2EE scheme
source
2026-10-25
What shape of data does your app read and write?JSON-like documents
Documents defined by JSON Schema, NoSQL document database.
source
2026-10-26
How are concurrent edits resolved? (first that applies)a server decides (it rebases or rejects client writes)
Default conflict handler keeps the master/server state; custom handlers allowed
source
2026-10-25
Where does synced data live on the server side?stands apart in your existing Postgres or other database
Replication protocol plugs into your existing backend/DB (Postgres via Supabase, CouchDB, Firestore, MongoDB, custom HTTP)
source
2026-10-25
Where does it keep data on the client by default, on its main platform?stands apart no default: you pick a storage adapter
Dexie/IndexedDB, memory, OPFS, SQLite, filesystem…
source
2026-10-25
How much data syncs to each client?everything the user can access
Per-collection replication; subsets possible via backend-side filtering in pull handlers
source
2026-10-25
Which platforms are first-class?JavaScript on web and mobile (React Native, Expo, Capacitor)
JS only but browser, Node, React Native, Capacitor, Electron
source
2026-10-25
Are auth and permissions built in?no, bring your ownsource
2026-10-25

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