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

Kii is described as 'Scalable cloud backend platform for enterprise applications, consumer apps, mobile games and the Internet of Things (IoT)' and is a backend as a service in the business & commerce category. There are more than 50 alternatives to Kii, not only websites but also apps for a variety of platforms, including Android, iPhone, Windows and Mac apps. The best Kii alternative is Supabase, which is both free and Open Source. Other great sites and apps similar to Kii 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.

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.



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.



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



CloudBoost can power your app's backend, including data storage, user authentication, real-time notifications, search and more.
Real-time communication service for connecting online devices. Infrastructure and APIs for IoT, gaming, apps and real-time web.
