Firebase→5 open-source options

Open-source Firebase alternatives

Google BaaS with auth, database, hosting, and functions. Below are curated open-source options listed on OpenElse, with notes on when each is a better fit.

Official site: firebase.google.com

Supabase

Open-source Firebase alternative on Postgres with auth and APIs.

Self-hostable

Appwrite

Self-hostable backend for auth, databases, storage, and functions.

Self-hostable

PocketBase

Single-binary backend with realtime DB, auth, and file storage.

Self-hostable

Nhost

Open-source Firebase alternative with GraphQL on Postgres.

Self-hostable

Directus

Headless CMS and data platform wrapped around your SQL database.

Self-hostable