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

PlayFab is described as 'Powerful backend platform for your game' and is a backend as a service in the development category. There are more than 50 alternatives to PlayFab for a variety of platforms, including Web-based, Android, iPhone, Windows and Mac apps. The best PlayFab alternative is Supabase, which is both free and Open Source. Other great apps like PlayFab are Firebase, GUN, remoteStorage and 5apps.
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.


5apps helps both developers and users to get the most out of the Web as a software platform.
Everest is an open-source mod loader and modding API for Celeste, allowing you to create custom map packs, texture replacements and code mods to your heart's content.


Etebase makes it easy to build end-to-end encrypted applications by taking care of the encryption and its related challenges.
Instant is for building real-time and offline-enabled applications. We make it easy to build collaborative products like Notion or Figma.
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.




Nakama is an open-source distributed social and realtime server for games and apps. It has a large set of services for users, storage, and realtime communication; as well as specialized APIs like realtime multiplayer, groups/guilds, and chat.


