Best ShareDB Alternatives & Competitors in 2025

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

Open Source freemium €400.0 / Annually

A CRDT framework with a powerful abstraction of shared data, Shared data types for building collaborative software

Monitor all your cloud services with our status page aggregator. IT teams choose IsDown to monitor all their vendors and get alerts whenever an outage occurs. Integration with Datadog, PagerDuty, Slack, Microsoft Teams, and a lot more.

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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.

Open Source

Self-hosted Firebase.

Open Source

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

A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically.

Open Source

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

Open Source

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

Open Source

ObjectBox empower edge computing with an edge device database and synchronization solution for Mobile & IoT. Store and sync data from edge to cloud.

Open Source

Build and debug modern web and cloud applications, by Microsoft

Open Source

Wow your users. Build incredible real-time applications in record time.

Open Source

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

Open Source

Bring Microsoft SQL Server 2017 to the platform of your choice. Use SQL Server 2017 on Windows, Linux, and Docker containers.