Best Open Source Authorization & Permissions

Streamline role-based access control, enforce security policies, and ensure compliance for your Snowflake data warehouse

Open-source authorization service for implementing fine-grained access controls. Centralized, scalable solution supporting RBAC, ABAC and ReBAC with Google Zanzibar-inspired architecture.

A scalable authorization layer that provides fine-grained access control through externalized policies, enabling secure and flexible permissions management.

authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.

Ory is a certified and battle-tested identity solution backed by a large open source community and trusted by Fortune 500 companies.

Stack Auth provides secure authentication, authorization, and user management for developers in just 5 minutes.

Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services.

ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.