Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Online
Apps similar to InstantDB include Supabase, which is open source with a free version. Other options are PocketBase, Firebase, Directus and Appwrite. Backend as a Service like InstantDB are a crowded field, with more than 50 alternatives for the web, self-hosting, Windows, Linux and Mac.
Expressive middleware for node.js using generators via co to make web applications and APIs more enjoyable to write. Koa's middleware flow in a stack-like manner allowing you to perform actions downstream, then filter and manipulate the response upstream.
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.
Scalable pub/sub platform offers developers secure, low-latency, enterprise-grade realtime messaging, built-in features for GPS tracking, event updates, and automatic failover, delivering billions of messages daily to users across industries on a global edge network.



MongooseIM is aimed at large, complex enterprise level projects, where real-time communication is critical for business success. It provides high availability, ease of deployment, development and reliability in production.

Hasura makes data access easy, by instantly composing a GraphQL API that is backed by databases and services so that the developer team (or API consumers) get immediately productive. The nature of GraphQL itself and Hasura’s dynamic approach makes integration and iteration easy.
Grow and scale your games effortlessly with Nakama. Heroic Cloud ensures your Nakama servers are always available, regularly backed up and can be scaled up in a moment's notice for your games and apps.



Universal Push Notification Platform
Scalable
Our platform is able to support the largest load you can possibly imagine. We have designed our solution to support tens of millions of devices... from day one. Never be afraid to grow too big.
Robust and reliable
Platform.
Real-time communication service for connecting online devices. Infrastructure and APIs for IoT, gaming, apps and real-time web.
