The open source Firebase alternative. Supabase adds realtime and restful APIs to Postgres without a single line of code.
Cost / License
- Freemium
- Open Source (Apache-2.0)
Application type
Platforms
- Online
- Self-Hosted
United States

Apps similar to Convex Database include Supabase, which is open source with a free version. Other options are PocketBase, Firebase, Directus and SignalDB. You can choose from more than 10 Backend as a Service like Convex Database for the web, self-hosting, Mac, Windows and Linux.
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.


Directus, with over 20 million downloads, is the world's first Open Data Platform. It can transform any SQL database into an API and a no-code application instantly, providing equal data and digital file asset management access to all team members.



SignalDB is a client-side database with a MongoDB-like interface and TypeScript support. It allows easy data management, reactivity and persistence on the client side, with plans for future replication capabilities.

Pay-as-you-go Postgres backend with built-in auth, S3-compatible storage, and auto-generated REST APIs. A Supabase alternative without per-project minimums.


Concile is a backend you run yourself. You write plain TypeScript functions, your frontend calls them, and every screen showing that data updates by itself when it changes. No polling, no websocket code, no cache to clear.


Mavibase is a TypeScript-native, open-source backend platform designed for production workloads. We deliver database management, authentication, and real-time capabilities as a unified system eliminating vendor lock-in and unnecessary complexity.

Gemmein is the backend for AI products, currently in public beta. It covers sign-in, private rule-based data, server-side AI tools, credits, payments, relays, custom compute and a customer inbox, so a solo developer can charge for an AI feature without building the business...
The AI-native backend. Idea in, API out. Model reality as it is, in graphs. Your agents compose typed JSON queries programmatically. No SQL, no joins, no ORMs.


Write actions, a database schema, and auth as TypeScript files in a typebase/ folder inside your app. Your frontend calls them like local functions, end-to-end typed, zero REST boilerplate.
