An open source Firebase alternative should empower developers with flexibility, control, and speed, without locking them into a black-box ecosystem. Whether you're building your next big app or launching a side project, these platforms offer powerful backend features built on transparent, community-driven technology.
Supabase
Supabase gives you a complete backend built on PostgreSQL and a suite of powerful open source tools.
You get instant REST and GraphQL APIs, real-time updates, and authentication via GoTrue.
File storage, edge functions, and vector search are built-in, making it production-ready out of the box.
Everything is built with open standards, letting you self-host or use the hosted version with zero lock-in.
Supabase rethinks Firebase by integrating proven tools into one seamless developer experience.
Appwrite
Appwrite simplifies backend development with a Dockerized stack of microservices.
You get authentication, databases, functions, file storage, and real-time messaging, all from a single platform.
Functions support over a dozen languages and can be triggered by HTTP, CRON, or system events.
Its built-in messaging system handles push notifications, SMS, and email with full targeting support.
PocketBase
PocketBase delivers a full backend as a single Go binary with no dependencies.
It includes an embedded SQLite database, user auth, file storage, and real-time data sync.
Use the built-in admin dashboard or automate backend setup with Go or JavaScript migrations.
Authentication is stateless, with support for email/password and OAuth2 providers.
PocketBase is ideal for projects where portability, speed, and simplicity are essential, all while being fully extensible.