openfga
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Description:
High performance and flexible authorization/permission engine
Type: Formula  |  Latest Version: 1.11.2@0  |  Tracked Since: Nov 4, 2025
Links: Homepage  |  @openfga  |  formulae.brew.sh
Category: Developer tools
Tags: authorization permissions security access-control api
Install: brew install openfga
About:
OpenFGA is an open-source authorization/permission engine built for developers, designed to implement fine-grained access control (FGAC) at scale. It uses Google's Zanzibar paper as its foundation, offering a flexible relationship-based authorization model. Its main value is enabling complex authorization logic like 'users can view documents they own or that are shared with their team' to be expressed and evaluated efficiently.
Key Features:
  • Relationship-based authorization model inspired by Google Zanzibar
  • High-performance check and list queries for real-time decisions
  • Flexible modeling language for defining complex authorization schemas
  • gRPC and HTTP APIs with official SDKs for multiple languages
  • Pluggable storage supporting PostgreSQL and MySQL
Use Cases:
  • Implementing fine-grained user permissions in SaaS applications
  • Managing resource sharing and collaboration features (e.g., 'editor', 'viewer' roles)
  • Centralizing authorization logic for microservices architectures
Alternatives:
  • OPA (Open Policy Agent) – OPA is a general-purpose policy engine using Rego; OpenFGA is specialized for relationship-based authorization with a dedicated modeling language.
  • Casbin – Casbin is a library with support for multiple models, while OpenFGA is a standalone service focused on the Zanzibar model for distributed systems.
Version History
Detected Version Rev Change Commit
Dec 26, 2025 7:51pm 1.11.2 0 VERSION_BUMP 9c0bd941
Nov 4, 2025 8:09pm 0 VERSION_BUMP f7b56710
Oct 15, 2025 9:59am 0 VERSION_BUMP 6eff3dc6
Oct 15, 2025 9:59am 0 VERSION_BUMP 8eb4e467
Oct 10, 2025 4:08pm 0 VERSION_BUMP 732b43d7
Sep 22, 2025 8:49pm 0 VERSION_BUMP 9acb32d6
Sep 22, 2025 8:18pm 0 VERSION_BUMP 0fdbe6fb
Sep 12, 2025 12:46am 0 VERSION_BUMP fa2eedc8
Jan 14, 2025 12:31am 0 VERSION_BUMP 9717417a
Jan 13, 2025 11:04pm 0 VERSION_BUMP 45d37e94
Dec 13, 2024 11:33pm 0 VERSION_BUMP 30f6aa3d
Oct 30, 2024 4:36pm 0 VERSION_BUMP b4fb07b5
Oct 30, 2024 3:55pm 0 VERSION_BUMP b09622ca
Sep 13, 2024 3:02am 0 VERSION_BUMP d3d8ebf6