Supabase
The open-source, SQL-native alternative to Firebase, worth the Reviewed slot because it's become the default backend for a huge share of new no-code and AI-built apps; the free tier's project pause on inactivity is the one gotcha worth flagging to non-technical buyers.
What it does
Supabase bundles a hosted Postgres database, user authentication, file storage, real-time subscriptions, and serverless edge functions into one platform with auto-generated APIs. A developer (or increasingly, an AI coding tool) can spin up a working backend without writing a server from scratch. It's open source and can be self-hosted, but most teams use the hosted cloud version for convenience. It has become a common backend choice for apps built with no-code frontends like WeWeb or with AI app builders.
Who this helps
You want a working backend without writing a server from scratch.
You want Postgres, authentication, storage, and real-time features in one platform.
You build with a no-code frontend or an AI app builder.
You want an open-source backend you can self-host or run in the cloud.
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