Supabase Has a Free Firebase Alternative — PostgreSQL Backend in Minutes

A solo developer needed auth, database, and file storage for his app. Firebase was easy but vendor-locked. Building from scratch would take months. Supabase is an open-source Firebase alternative built on PostgreSQL. Auth, database, storage, edge functions, real-time subscriptions - all free to self-host. What Supabase Offers for Free PostgreSQL Database - Full Postgres with extensions Authentication - Email, OAuth, magic links, phone auth Auto-Generated API - Instant REST and GraphQL from your schema Real-time - Subscribe to database changes via WebSocket Storage - S3-compatible file storage with CDN Edge Functions - Serverless Deno functions Row Level Security - Fine-grained data access control Dashboard - SQL editor, table editor, logs Quick Start (Cloud Free Tier) npm install @supabase/supabase-js import { createClient } from ' @supabase/supabase-js ' const supabase = createClient ( ' YOUR_URL ' , ' YOUR_KEY ' ) const { data } = await supabase . from ( ' posts ' ). select ( ' * ' )