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

Pubnub is described as 'Disc works in your device' and is an app in the development category. There are more than 50 alternatives to Pubnub for a variety of platforms, including Web-based, Windows, Mac, Android and iPhone apps. The best Pubnub alternative is Supabase, which is both free and Open Source. Other great apps like Pubnub are Firebase, GUN, Back4App and AWS Amplify.
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.


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.

Low code backend to build modern apps. Back4app accelerate backend development, improves development productivity, reduces time to market, and let you scale applications without managing infrastructure.




AWS Amplify is a complete solution that lets frontend web and mobile developers easily build, ship, and host full-stack applications on AWS, with the flexibility to leverage the breadth of AWS services as use cases evolve. No cloud expertise needed.




ApyHub offers powerful yet simple-to-use APIs that provide standard data & essential functionalities, helping developers save time and boost efficiency. ApyHub is ideal for developers who are tired of lengthy development cycles and multiple external library integrations.




Instant is for building real-time and offline-enabled applications. We make it easy to build collaborative products like Notion or Figma.
MirrorFly is customizable in-app communication SDKs for businesses to integrate chat, voice, video calling and video conferencing features on their existing web and mobile applications.




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.
