Supabase

Backend As A Service Open source

The open-source Firebase alternative. Provides a Backend-as-a-Service with a Postgres database, authentication, and more.

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About

What is Supabase?

Supabase is the open-source Firebase alternative that gives developers a full backend infrastructure built on PostgreSQL. It provides a hosted Postgres database, auto-generated REST and GraphQL APIs, real-time subscriptions, authentication with social providers, file storage, Edge Functions (serverless), and an AI/vector toolkit — all accessible from a polished developer dashboard. With client libraries for every major framework and a generous free tier, Supabase is the preferred backend for modern full-stack applications.

Pros & Cons

Pros

  • Postgres at the core — full SQL power with no vendor-specific query language
  • Auto-generated REST and GraphQL APIs from your schema
  • Built-in authentication with social OAuth, magic links, and phone auth
  • Real-time database subscriptions via WebSocket
  • Row-Level Security (RLS) for fine-grained data access control
  • Generous free tier: 500MB database, 1GB storage, 50MB file uploads
  • Self-hostable via Docker for full data sovereignty

Cons

  • Postgres expertise needed for advanced schema design and RLS policies
  • Free tier projects pause after 1 week of inactivity
  • Edge Functions (Deno-based) have cold start latency
  • Realtime feature has limits on concurrent connections at lower tiers
  • Self-hosting is more complex than managed alternatives like Firebase

Use Cases

Backend for web and mobile applications needing auth + database Building real-time collaborative applications User authentication and social sign-in infrastructure File and media storage for user-generated content AI and vector search applications using pgvector integration
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