14 Best Open Source Firebase Alternatives
A curated collection of the 14 best open source and self-hosted alternatives to Firebase in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Firebase in 2026? The top open-source alternative is Supabase — Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search..
Other highly rated open-source Firebase alternatives include PocketBase, Appwrite and Turso.
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.
A lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.
A lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.
Open-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming languages.
Open-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming languages.
Turso provides a simple developer experience with SQLite compatibility, allowing you to build and scale multi-tenant applications with unlimited databases.
Turso provides a simple developer experience with SQLite compatibility, allowing you to build and scale multi-tenant applications with unlimited databases.
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.
Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.
Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.
Ory is a certified and battle-tested identity solution backed by a large open source community and trusted by Fortune 500 companies.
Ory is a certified and battle-tested identity solution backed by a large open source community and trusted by Fortune 500 companies.
A powerful platform for building cloud backends, automating infrastructure, and simplifying development workflows for faster, more efficient coding.
A powerful platform for building cloud backends, automating infrastructure, and simplifying development workflows for faster, more efficient coding.
Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.
Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.
Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.
Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.
Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.
Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.
Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.
Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.
Build and manage custom databases with ease, create type-safe APIs, and develop applications quickly
Build and manage custom databases with ease, create type-safe APIs, and develop applications quickly
About Firebase
A platform developed by Google for creating mobile and web applications, offering backend services such as real-time databases, authentication, analytics, and more.