12 self-hosted Firebase alternatives

Supabase is an open source Postgres development platform providing authentication, auto-generated REST/GraphQL APIs, realtime subscriptions, edge functions, file storage, and vector embeddings.

107.1k stars13.3k forksApache-2.0last commit 28 Jul 2026Actively maintained

Open-source Go backend providing embedded SQLite, realtime (SSE) subscriptions, auth (JWT/OAuth2), file storage, admin UI and REST-style APIs for web and mobile apps.

60.3k stars3.6k forksMITlast commit 22 Jul 2026Actively maintained

Appwrite is an open-source backend-as-a-service for building web and mobile apps with authentication, databases, storage, functions, realtime APIs, and messaging.

56.7k stars5.6k forksBSD-3-Clauselast commit 28 Jul 2026Actively maintained

Directus turns any SQL database into a headless CMS with an admin app, role-based access control, and instant REST and GraphQL APIs for custom applications.

36.9k stars4.9k forkslast commit 27 Jul 2026Actively maintained

Hasura is an open-source GraphQL engine that instantly exposes realtime, secure GraphQL APIs over databases and other data sources with fine-grained access control.

32.1k stars3k forksApache-2.0last commit 28 Jul 2026Actively maintained

Budibase is an open-source low-code platform to build internal tools, portals, forms, and approval workflows with integrations to databases and APIs.

28.2k stars2.2k forkslast commit 27 Jul 2026Actively maintained

TrailBase is a fast, single-executable Firebase alternative with type-safe REST and realtime APIs, built-in auth, admin UI, WebAssembly extensibility, and SQLite storage.

5.4k stars183 forksOSL-3.0last commit 25 Jul 2026Actively maintained

Kinto is a lightweight JSON document store with an HTTP API, built-in permissions, sharing, and client synchronization, designed for offline-first and distributed apps.

4.4k stars433 forkslast commit 27 Jul 2026Actively maintained

bknd is a lightweight Firebase/Supabase alternative that provides a modular backend with REST API, admin UI, auth, media, and workflows, deployable across many JS runtimes.

3.7k stars144 forksApache-2.0last commit 28 Mar 2026Actively maintained

MongooseIM is an open-source Erlang-based XMPP server designed for large-scale messaging, offering multi-tenant deployment, REST/GraphQL APIs, push, and robust observability.

1.7k stars439 forkslast commit 27 Jul 2026Actively maintained

Para is an open-source, Java-based multitenant backend framework providing a RESTful JSON API, full-text search, distributed caching, and flexible authentication for web, mobile, IoT and prototype apps.

574 stars156 forksApache-2.0last commit 6 Jul 2026Actively maintained

Express middleware that generates REST collection APIs from JSON Schema with a Django-like admin UI; supports MongoDB, PostgreSQL or JSON-file storage.

452 stars24 forksMITlast commit 5 Apr 2026Actively maintained