Supabase - Open Source Firebase Alternative (Full Guide)
Supabase is the open-source Firebase alternative with over 102,000 GitHub stars.
Build production-grade apps with PostgreSQL, Auth, Realtime, Edge Functions, Storage, and Vector search.
What is Supabase?
Full PostgreSQL database with REST & GraphQL APIs
Authentication with 20+ OAuth providers and Row Level Security
Realtime subscriptions (1.5 billion messages per day)
Edge Functions on Deno with 10ms cold starts
S3-compatible Storage with CDN and RLS
Vector search via pgvector for AI embeddings
100% open source under Apache 2.0
Self-hostable with Docker or Kubernetes
Pricing:
Free: $0 (500MB DB, 50K auth users)
Pro: $25/month (8GB DB, 100K auth users)
Team: $599/month (16GB DB, SOC2, SSO)
Enterprise: Custom
Founded by Paul Copplestone and Ant Wilson (YC S20).
Trusted by Mozilla, 1Password, PwC, LangChain, and millions of developers worldwide.
Try Supabase: https://supabase.com
GitHub: https://github.com/supabase/supabase
Docs: https://docs.supabase.com
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