permitio/permit-cli

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 🎉

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

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

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.

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).

Policy and data administration, distribution, and real-time updates on top of Policy Agents (OPA, Cedar, ...)

Implementation of the Cedar Policy Language

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.

A curated list of awesome Cedar related tools and articles.