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

built.io is described as 'Is raw engineering's proven mobile and web application development platform, designed from the ground up for the enterprise. By powering the entire backend – servers, cloud infrastructure, database, scaling – and delivering built-in enterprise app functionality' and is a backend as a service in the development category. There are more than 50 alternatives to built.io for a variety of platforms, including Web-based, Android, iPhone, Windows and Self-Hosted apps. The best built.io alternative is Supabase, which is both free and Open Source. Other great apps like built.io are Firebase, remoteStorage, 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.



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.

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.




Liteflow is a low-code development toolkit built to help you focus on your app’s real value. Launch faster, iterate without risk, and grow with confidence.




restdb.io is a Plug-and-Play Database Service, suited perfectly to power business apps and dynamic web content.


