Supabase
Open-source Firebase alternative with Postgres, auth, storage, and built-in vector search. The backend most AI apps use to combine relational data with semantic retrieval.
Overview
Supabase is an open-source Firebase alternative that gives you a Postgres database, authentication, storage, edge functions, and real-time subscriptions — plus an AI toolkit for building vector search, generating embeddings, and deploying AI features directly in your database. The AI Assistant in the dashboard uses SQL generation to let you query your database in plain English. Teams building AI apps use Supabase's pgvector extension for semantic search and RAG pipelines without needing a separate vector database. It's the backend most Next.js and full-stack AI apps choose for its generous free tier, SQL power, and the fact that it's open-source so you're never locked in.
Key Features
- Postgres database
- Built-in authentication
- File storage
- pgvector for semantic search
- Edge functions
- Real-time subscriptions
- • Generous free tier for prototyping and small apps
- • pgvector eliminates need for a separate vector DB
- • Open-source with strong community
- • Postgres expertise helpful for advanced use
- • Free tier has project pause after inactivity