Open Source, Google Zanzibar-inspired database for scalably storing and querying fine-grained authorization data
- Updated
Oct 22, 2026 - Go
Open Source, Google Zanzibar-inspired database for scalably storing and querying fine-grained authorization data
A high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar.
An open-source authorization as a service inspired by Google Zanzibar, designed to build and manage fine-grained and scalable authorization systems for any application. — Permify is now part of FusionAuth 🎉
The most scalable and customizable permission server on the market. Fix your slow or broken permission system with Google's proven "Zanzibar" approach. Supports ACL, RBAC, and more. Written in Go, cloud native, headless, API-first. Available as a service on Ory Network and for self-hosters.
Cloud-native authorization for modern applications and APIs
Warrant is a highly scalable, centralized authorization service based on Google Zanzibar. Use it to define, enforce, query, and audit application authorization and access control.
Official command-line tool for managing SpiceDB
Keycloak integration with OpenFGA (based on Zanzibar) for Fine-Grained Authorization at Scale (ReBAC)
OpenFGA SDK for Go.
An awesome list for the SpiceDB ecosystem 😎
A cross-platform CLI to interact with an OpenFGA server.
Kubernetes controller for managing instances of SpiceDB
Official SpiceDB client library for Go
OpenFGA-to-PostgreSQL authorization compiler. Generates specialized SQL functions from .fga schemas that query your existing tables. Zero sync, always consistent.
🔐 Lightning fast, global scale authorization service without the overhead of a yet another DSL.
OpenFGA SDK for node.js and JavaScript
Google's Zanzibar paper annotated for folks outside of Google
OpenFGA SDK for Python 3
OpenFGA SDK for .NET
A highly scalable open-source implementation of an access-control engine inspired by Google Zanzibar-"Google’s Consistent, Global Authorization System"