pthm/melange

Open Source, Google Zanzibar-inspired database for scalably storing and querying fine-grained authorization data

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 🎉

A high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar.

OpenFGA SDK for node.js and JavaScript

Declarative permissions management for PostgreSQL

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.

Cerbos is an open-core authorization management platform for authorizing every identity and governing every action across applications, gateways, workloads, and AI agents.

GrantForge (formerly AuthX) is an open-source (MIT) unified permission platform. It answers two questions in one place: who can do what (functional authorization) and who can see which data (data and field authorization).

Authorization framework for implementing Relation-based Access Control (ReBAC) with the Resolver (Inspired by GraphQL)