SignalDB is the most popular Windows, Mac, Linux & Self-Hosted alternative to ShareDB.
SignalDB is the most popular Open Source & free alternative to ShareDB.
- SignalDB is Free and Open Source
ShareDB Alternatives
ShareDB is described as 'Realtime database backend based on Operational Transformation (OT)' and is an website. There are six alternatives to ShareDB, not only websites but also apps for a variety of platforms, including Self-Hosted, Windows, Linux and Android apps. The best ShareDB alternative is SignalDB, which is both free and Open Source. Other great sites and apps similar to ShareDB are RxDB, GUN, FeathersJS and PouchDB.
Alternatives list
- 32 RxDB alternatives
RxDB (short for Reactive Database) is a NoSQL-database for JavaScript Applications like Websites, hybrid Apps, Electron-Apps and NodeJs. Reactive means that you can not only query the current state, but subscribe to all state-changes like the result of a query or even a single...
Cost / License
- Freemium (Subscription)
- Open Source (Apache-2.0)
Platforms
- Windows
- Online
- Android
- Self-Hosted

RxDB is the most popular Web-based & Android alternative to ShareDB.
- RxDB is Freemium and Open Source
GUN is an open source, realtime, graph database written entirely in JavaScript and built using peer-to-peer algorithms, making it surprisingly fault tolerant and easy to get started with.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted

GUN is the most popular iPhone, iPad & Android Tablet alternative to ShareDB.
- GUN is Free and Open Source
Feathers is a real-time, micro-service web framework for NodeJS that gives you control over your data via RESTful resources, sockets and flexible plug-ins.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
- Node.JS
PouchDB is an open-source JavaScript database inspired by Apache CouchDB that is designed to run well within the browser.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
- Node.JS
- 10 Yjs alternatives
Yjs is a CRDT implementation that exposes its internal data structure as shared types. Shared types are common data types like Map or Array with superpowers: changes are automatically distributed to other peers and merged without merge conflicts.
Cost / License
- Free
- Open Source
Platforms
- Online












