The open-source Firebase alternative
Supabase is the open-source Firebase alternative. Provides a PostgreSQL database, authentication, instant APIs, edge functions, realtime subscriptions, storage, and vector embeddings via pgvector. Row Level Security (RLS) provides fine-grained access control. Used by thousands of startups and enterprises for building AI-powered applications with built-in vector search.
Full PostgreSQL database with pgvector extension for AI embeddings, similarity search, and RAG applications
Email/password, OAuth (Google, GitHub, Apple), SSO/SAML, phone auth, and magic links with session management
Fine-grained access control at the database level — policies enforce who can read/write which rows
Subscribe to database changes via WebSockets — get instant updates when rows are inserted, updated, or deleted
Supabase CLI version 1.142.0 introduces a database cloning feature, enhancing local development and testing capabilities.
$0/mo
Great for prototyping
$25/mo
Per project
Serverless Deno functions deployed globally on the edge for custom API logic and webhooks
S3-compatible object storage with CDN, image transformations, and resumable uploads
Auto-generated RESTful and GraphQL APIs from your database schema — zero configuration
Git-like database branching for development and preview environments with schema migrations
Supabase Storage now offers on-the-fly image transformations via the API, simplifying image handling and improving performance.
Custom
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