Software Alternatives, Accelerators & Startups

RxDB

A fast, offline-first, reactive Database for JavaScript Applications.

Some of the top features or benefits of RxDB are: Offline-First Architecture, Reactive Data Stores, Cross-Platform Compatibility, Flexible Schema Management, and Replication and Sync. You can visit the info page to learn more.

Best RxDB Alternatives & Competitors in 2025

The best RxDB alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives. Latest update:

  1. 26

    Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.

    /firebase-alternatives
  2. 10

    Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.

    Open Source

    /redis-alternatives
  3. Your Ultimate Online Directory Builder | No-Code Tools

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  4. 17

    Self-hosted Firebase.

    Open Source

    /gun-alternatives
  5. 14

    Open-source JavaScript database inspired by Apache CouchDB that's designed to run well within the browser

    Open Source

    /pouchdb-alternatives
  6. 12

    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.

    Open Source

    /signaldb-alternatives
  7. 12

    Realm is a mobile platform and a replacement for SQLite & Core Data. Build offline-first, reactive mobile experiences using simple data sync.

    Open Source

    /realm-alternatives
  8. 17

    An open source Firebase alternative

    Open Source

    /supabase-alternatives
  9. 10

    MongoDB (from "humongous") is a scalable, high-performance NoSQL database.

    Open Source

    /mongodb-alternatives
  10. 10

    HTTP + JSON document database with Map Reduce views and peer-based replication

    Open Source

    /couchdb-alternatives
  11. IndexedDB is a low-level API for client-side storage of significant amounts of structured data, including files/blobs.

    /indexeddb-alternatives
  12. SQLite Home Page

    Open Source

    /sqlite-alternatives
  13. 11

    Meteor is a set of new technologies for building top-quality web apps in a fraction of the time.

    Open Source

    /meteor-alternatives
  14. The open-source database for the realtime web

    Open Source

    /rethinkdb-alternatives
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