RxDB Alternatives

MongoDB is a document database with the scalability and flexibility that you want with the querying and indexing that you need

Firebase gives you the tools and infrastructure to build better apps and grow successful businesses.

Supabase adds realtime and RESTful APIs to your existing PostgreSQL database without a single line of code.

Etebase makes it easy to build end-to-end encrypted applications by taking care of the encryption and its related challenges.

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.

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

FerretDB (formerly MangoDB) is an open-source proxy, which converts MongoDB wire protocol queries to SQL, and uses PostgreSQL as a database engine.

Realm enables any development team, no matter the size, to include difficult-to-build features like two-way data sync and realtime collaboration. Devote more time to what makes your app truly unique and less time to maintaining services.

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.