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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.
- Open Source
- Freemium
- €400.0 / Annually
- Official Pricing
Best RxDB Alternatives & Competitors in 2025
The best RxDB alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
Latest update:
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Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
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Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.
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Your Ultimate Online Directory Builder | No-Code Tools
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Self-hosted Firebase.
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Open-source JavaScript database inspired by Apache CouchDB that's designed to run well within the browser
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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.
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Realm is a mobile platform and a replacement for SQLite & Core Data. Build offline-first, reactive mobile experiences using simple data sync.
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An open source Firebase alternative
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MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
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HTTP + JSON document database with Map Reduce views and peer-based replication
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IndexedDB is a low-level API for client-side storage of significant amounts of structured data, including files/blobs.
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SQLite Home Page
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Meteor is a set of new technologies for building top-quality web apps in a fraction of the time.
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The open-source database for the realtime web