Open source. Open possibilities.

Nhost is an open-source Firebase alternative offering GraphQL, PostgreSQL, auth, storage, and serverless functions. Supports local dev, self-hosting, and multiple frontends.

RxDB is a local-first, reactive NoSQL database for JavaScript apps, running in browsers, Node.js, React Native, Electron and more. It provides a swappable storage layer and a sync engine that replicates with your existing backend via HTTP, GraphQL, CouchDB, WebSocket and other adapters.

Appwrite is an open-source, all-in-one development platform that provides backend infrastructure and web hosting for web, mobile, and AI applications.

A collection of Android quickstart samples demonstrating various Firebase APIs, with instructions to integrate each sample into a Firebase project.

Utility OS is a Next.js academic workspace for university students with Google Drive-synced notes, hybrid RAG AI search with grounded citations, a study planner, GPA calculator, SRS flashcards, Pomodoro timer, and a PWA client.

Flutter frontend for Fiestaaa, an app for organizing private events with friends and family. Supports event creation, invitations, collaborative shopping lists, carpooling, shared expenses, QR access codes, and push notifications.

LiveWebTracker is a lightweight real-time website visitor tracking solution that uses a simple JavaScript snippet and Firebase Realtime Database to display live visitor counts without requiring a complex custom backend, with easy integration and customizable on-site display options.

Lark is a real‑time JSON database server built in Rust on Glommio, offering drop‑in Firebase RTDB compatibility, WebSocket/WebTransport/REST APIs, optional persistence, Dockerized deployment, admin dashboard, and example apps.

FlutterFire is a collection of official Firebase plugins for Flutter apps, providing integrations for authentication, Firestore, Cloud Storage, messaging, analytics, crash reporting, and more across Android, iOS, Web, and macOS platforms.

A cloud-based, passwordless facial recognition authentication system with AI-powered liveness detection, encrypted biometric storage, admin dashboard, and full Firebase integration.

Supabase is an open-source Postgres development platform combining hosted database, authentication, auto-generated REST/GraphQL and realtime APIs, edge functions, file storage, an AI/vector toolkit, and a dashboard, with official and community client libraries.