The open source Firebase alternative. Supabase adds realtime and restful APIs to Postgres without a single line of code.

Entity Signal is described as 'Real Time Entity Framework (EF) and ASP.NET core. Make all of your data real time. Receive updates no matter where the object was created or edited. Uses existing ASP.NET core permissions system' and is an app. There are more than 10 alternatives to Entity Signal for a variety of platforms, including Self-Hosted, Web-based, Windows, Android and iPhone apps. The best Entity Signal alternative is Supabase, which is both free and Open Source. Other great apps like Entity Signal are Firebase, RxDB, Etebase and FeathersJS.
The open source Firebase alternative. Supabase adds realtime and restful APIs to Postgres without a single line of code.

Firebase, provided by Google, is a backend service and application development platform. It uses AI, cloud infrastructure, and cross-platform SDKs for efficient app development. Firebase offers tools and infrastructure for app creation and business growth.


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...

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

SapphireDb is an open source library that enables you to easily create your own application with realtime data synchronization. It extends your Asp.Net Core Application with EF Core and combines the advantages of firebase and .Net Core together.

Allows creating real-time web apps with minimal effort using a C# server and Vue.js javascript clients.
