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

Butterfly Server .NET is described as 'Allows creating real-time web apps with minimal effort using a C# server and Vue.js javascript clients' and is an app in the development category. There are more than 10 alternatives to Butterfly Server .NET for a variety of platforms, including Windows, Linux, Web-based, Mac and Self-Hosted apps. The best Butterfly Server .NET alternative is Supabase, which is both free and Open Source. Other great apps like Butterfly Server .NET are Firebase, Meteor, Socket.io and Etebase.
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.


Meteor is a set of new technologies for building top-quality web apps in a fraction of the time. It is built around Smart Packages: little bundles of code that can run on a client, inside a cloud service, or both, and that can manage their lifetime inside the modern distributed...
Socket.IO aims to make real-time apps possible in every browser and mobile device, blurring the differences between the different transport mechanisms.

deepstream.io is a clusterable realtime server that handles persistent tcp and websocket connections. It offers data-sync, pub/sub and request/response. It's available for Linux, Mac and Windows and comes with clients in JS, Java and many others.
Scaledrone is a realtime messaging service and platform. Send live updates, create chatrooms and collaborative tools.

Real-time communication service for connecting online devices. Infrastructure and APIs for IoT, gaming, apps and real-time web.

ASP.NET SignalR is a new library for ASP.NET developers that makes it incredibly simple to add real-time web functionality to your applications. What is "real-time web" functionality? It's the ability to have your server-side code push content to the connected...

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.
