Supabase Review — The open-source Firebase alternative with Postgres at its core

Supabase is an open-source Backend-as-a-Service built on PostgreSQL. It provides a managed Postgres database, authentication, file storage, real-time subscriptions, edge functions, and vector embeddings for AI. The platform offers client libraries for JavaScript, Dart, Python, and more, with a powerful dashboard for database management and SQL editing.

Developers building full-stack applications with real-time capabilities

Open-source Postgres foundation with integrated auth, storage, and edge functions

Paul Copplestone is an Australian entrepreneur who co-founded Supabase in 2020 with Ant Wilson. Before Supabase, Copplestone ran a digital agency and developed multiple products. He identified an opportunity to build an open-source alternative to Firebase built on PostgreSQL. Supabase went through Y Combinator and has raised $116M, achieving a $2B valuation.

Supabase is one of the most established open-source companies in the developer tools space. Backed by Y Combinator, Coatue, and Felicis Ventures, it has raised $116M at a $2B valuation. The fully open-source codebase (65k+ GitHub stars) and massive developer community provide complete transparency. Zero scam risk.

Full-stack developers wanting Postgres with auth and storage bundled, startups needing a rapid backend setup, developers migrating from Firebase wanting SQL capabilities, and teams building AI applications needing vector search.

Supabase offers a generous free tier with 500MB database, 1GB storage, and 50k monthly active users. Pro plan at $25/month adds 8GB database and daily backups. Team plan at $599/month for larger organizations. The free tier is the most generous BaaS offering available.