Melange

Compiles OpenFGA authorization schemas into SQL functions on your existing Postgres tables

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Melange is a free, open-source tool that compiles OpenFGA-style authorization schemas directly into SQL functions that query a team's existing PostgreSQL tables, giving always-consistent permission checks without running or syncing a separate authorization service. It's aimed at developers who want fine-grained, relationship-based access control (RBAC/ReBAC) without adding new infrastructure to keep in sync with their database.

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