Open source alternatives to Supabase

One project on starwire does the same job. Ranked by how much of what Supabase does each one covers, read from its README and website. Ties go to the most active.

What Supabase does

Hosted Postgres databasecore
Auto-generated APIscore
User authenticationcore
File storage
Realtime updates
Edge functions
Row-level security
Vector search

Each dot in the table is one job, in this order. Square dots are core jobs and count double. Full means yes, half means partly. "See the evidence" under a project shows the line behind each one. Coverage is what a project documents, not how well it works or how hard it is to move to. How we score this

Project	Covers	Stars	Commits, 12 weeks	Last release	Closed vs opened	Setup	License
supacraftSingle-binary backend an agent configures over MCP into a REST API with SQLite	Same job, different way77%	15+5	24	yesterday	Too few	Uses the terminal	MIT
Covers 2 of 3 core jobs. Partly: Hosted Postgres database; Edge functions. Not shown: Vector search.See the evidence Hosted Postgres databasecorePartlySQLite tables generated from your schema Auto-generated APIscoreYesGet a running REST API. User authenticationcoreYesRegister, login and refresh with JWT File storageYesUpload/download endpoints backed by local disk, S3/R2/MinIO Realtime updatesYesClients subscribe over a WebSocket and get each change Edge functionsPartlyroutes built from steps Row-level securityYesper-endpoint auth and row-level policies Vector searchNot shownNeither the README nor the website mentions it.

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