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 GUN, RxDB, FeathersJS and PouchDB.
SignalDB is a client-side database with a MongoDB-like interface and TypeScript support. It allows easy data management, reactivity and persistence on the client side, with plans for future replication capabilities.
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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.
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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...
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.
PouchDB is an open-source JavaScript database inspired by Apache CouchDB that is designed to run well within the browser.
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.
