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

Rapid.io is described as 'Cloud-hosted service that allows app developers to build realtime user interfaces without having to worry about the underlying infrastructure. It works as a non-relational data store accessible from client-side code' and is an app in the development category. There are more than 10 alternatives to Rapid.io for a variety of platforms, including Self-Hosted, Linux, Mac, Windows and Web-based apps. The best Rapid.io alternative is Supabase, which is both free and Open Source. Other great apps like Rapid.io are Firebase, Strapi, Etebase and GUN.
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.


Strapi enables developers to build projects faster by providing a customizable API out of the box and giving them the freedom to use their favorite tools. Content teams use Strapi to autonomously manage all types of content and distribute it from one CMS to any channel be it...




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.



EasyBase is a powerful, low-code cloud database with a self-building API and visual query builder. It integrates well with React components.




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.

Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality to web and mobile apps.

Kuzzle is a high performance open source, on premise and cloud agnostic backend for IoT and modern apps featuring CRUD, real-time notifications, authentication, geofencing, a full featured cluster mode and more.
Allows creating real-time web apps with minimal effort using a C# server and Vue.js javascript clients.
