What is the best open-source alternative to Supabase?

The best open-source alternative to Supabase depends on the use case. The highest-PopScore candidates on GitPop are pocketbase, appwrite, directus.

Is Supabase open source?

No, Supabase is a closed-source product by Supabase, Inc.. The open-source alternatives on this page are listed by GitPop PopScore (momentum, activity, and noise-filtered).

4 candidates

Open source alternatives to Supabase

Open-source Firebase alternative with Postgres, auth, storage, and edge functions. · Supabase, Inc.

Pricing: Free tier; Pro from $25/mo

Supabase is the default managed backend-as-a-service for Postgres-flavored apps. Self-hostable alternatives split into two camps: full BaaS (Appwrite, PocketBase) and Postgres-flavored primitives (Nhost, Directus). PocketBase is the right pick for 'single binary, embed it in my app'; Appwrite is the right pick for 'full Firebase replacement with more flexibility than Supabase'.

The 4 candidates, ranked by PopScore

#01pocketbase/pocketbase
Single-binary BaaS with SQLite, auth, and file storage. The right pick for prototypes and small-to-medium apps that want a single binary.
GitHub
#02appwrite/appwrite
Full BaaS with databases, auth, storage, functions, and realtime. The right pick for a Firebase-style experience with Docker-based self-hosting.
GitHub
#03directus/directus
Headless CMS / BaaS built on top of an existing SQL database. The right pick for 'I have a Postgres, I just want a CMS and API on top'.
GitHub
#04nhost/nhost
Hasura-based GraphQL backend with auth, storage, and serverless functions. The right pick for GraphQL-first teams.
GitHub

Related alternatives

Looking for a side-by-side comparison of two open-source projects? The compare matrix has 60+ "X vs Y" pages. Looking for a curated "best of" list for a specific category? See Best AI tools 2026 (and the 7 other category editions).